GeForce 840A vs Radeon R7 A8-7690K

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The GeForce 840A is positioned at rank 349 and the Radeon R7 A8-7690K is on rank 97, so the Radeon R7 A8-7690K offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce 840A

#339

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

974%

#341

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

883%

#342

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

880%

#346

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

801%

#347

Radeon RX 6300

MSRP: $60|Avg: $40

795%

#349

GeForce 840A

MSRP: $100|Avg: $25

100%

#350

Radeon R9 M295X Mac Edition

MSRP: $450|Avg: $450

100%

#351

HD Graphics 630

MSRP: $100|Avg: $30

100%

#354

Radeon R7 M370

MSRP: $130|Avg: $40

98%

#357

Radeon 625

MSRP: $100|Avg: $50

97%

#359

Radeon R7 M350

MSRP: $100|Avg: $100

96%

#360

GeForce 920MX

MSRP: $100|Avg: $54

95%

#361

Radeon RX Vega11 Ryzen 7 3750H

MSRP: $150|Avg: $45

95%

#362

Radeon HD 7670A

MSRP: $100|Avg: $40

94%

#363

Radeon Vega 8

MSRP: $150|Avg: $40

94%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon R7 A8-7690K

#1

GeForce RTX 3060 Ti

MSRP: $399|Avg: $280

509%

#2

GeForce RTX 5060

MSRP: $299|Avg: $299

489%

#3

Radeon RX 5600 XT

MSRP: $279|Avg: $180

483%

#4

Radeon RX 9060

MSRP: $249|Avg: $249

482%

#5

GeForce RTX 5050

MSRP: $249|Avg: $249

481%

#6

GeForce RTX 3050 OEM

MSRP: $249|Avg: $150

478%

#7

Arc A580

MSRP: $179|Avg: $179

472%

#8

Radeon RX 9060 XT

MSRP: $299|Avg: $299

471%

#9

Radeon RX 9060 XT 8GB

MSRP: $299|Avg: $299

466%

#10

Radeon RX 7600

MSRP: $269|Avg: $250

465%

#11

Radeon RX 6600

MSRP: $329|Avg: $180

459%

#12

GeForce RTX 4060

MSRP: $299|Avg: $299

458%

#13

Arc B570

MSRP: $219|Avg: $219

450%

#14

Arc B580

MSRP: $249|Avg: $249

450%

#81

Moore Threads MTT S80

MSRP: $260|Avg: $170

97%

#82

Radeon R5 430 OEM

MSRP: N/A|Avg: $13

561%

#82

Intel UHD Graphics P750

MSRP: $150|Avg: $100

87%

#83

Radeon Ryzen 7 4700G

MSRP: $299|Avg: $100

86%

#97

Radeon R7 A8-7690K

MSRP: $80|Avg: $40

100%

#98

GeForce GT 1010

MSRP: $70|Avg: $70

97%

#99

Radeon R7 430

MSRP: $79|Avg: $15

97%

#101

Radeon 550X

MSRP: $109|Avg: $45

95%

#102

GeForce GT 720

MSRP: $49|Avg: $49

94%

#103

Radeon R7 240

MSRP: $69|Avg: $15

92%

#104

Radeon R7 G

MSRP: $69|Avg: $51

88%

#107

Radeon R7 250

MSRP: $89|Avg: $25

83%

#108

GeForce GT 640

MSRP: $99|Avg: $50

83%

#109

GeForce GT 640 Rev. 2

MSRP: $99|Avg: $99

83%

#111

Radeon HD 8550D

MSRP: $50|Avg: $50

80%

#112

Radeon 520

MSRP: $78|Avg: $78

79%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon R7 A8-7690K is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 840A.

Insight	GeForce 840A	Radeon R7 A8-7690K
Performance	❌Lower raw frame rates (-2.3%)	✅Leading raw performance (+2.3%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce 840A offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 840A holds the technical lead. Priced at $25 (vs $40), it costs 38% less, resulting in a 56.4% higher cost efficiency score.

Insight	GeForce 840A	Radeon R7 A8-7690K
Cost Efficiency	✅Better overall value (+56.4%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($25)	⚠️Higher upfront cost ($40)

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce 840A Benchmark Check

Radeon R7 A8-7690K Benchmark Check

Path of Exile 2

Path of Exile 2

No prediction data available

Counter-Strike 2

Counter-Strike 2

No prediction data available

League of Legends

League of Legends

No prediction data available

Valorant

Valorant

No prediction data available

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce 840A and Radeon R7 A8-7690K

GeForce 840A

The GeForce 840A is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,115 points.

Radeon R7 A8-7690K

The Radeon R7 A8-7690K is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,141 points. Launch price was $149.

⚡

Graphics Performance

The GeForce 840A scores 1,115 and the Radeon R7 A8-7690K reaches 1,141 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce 840A is built on Maxwell while the Radeon R7 A8-7690K uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce 840A) vs 1,024 (Radeon R7 A8-7690K). Raw compute: 0.8632 TFLOPS (GeForce 840A) vs 1.997 TFLOPS (Radeon R7 A8-7690K). Boost clocks: 1124 MHz vs 975 MHz.

Feature	GeForce 840A	Radeon R7 A8-7690K
G3D Mark Score	1,115	1,141+2%
Architecture	Maxwell	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	1024+167%
Compute (TFLOPS)	0.8632 TFLOPS	1.997 TFLOPS+131%
Boost Clock	1124 MHz+15%	975 MHz
ROPs	8	32+300%
TMUs	16	64+300%
L1 Cache	192 KB	256 KB+33%
L2 Cache	1 MB+100%	0.5 MB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 840A	Radeon R7 A8-7690K
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 1 MB (GeForce 840A) vs 0.5 MB (Radeon R7 A8-7690K) — the GeForce 840A has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 840A	Radeon R7 A8-7690K
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+100%	0.5 MB

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce 840A) vs 12 (Radeon R7 A8-7690K). Maximum simultaneous displays: 3 vs 0.

Feature	GeForce 840A	Radeon R7 A8-7690K
DirectX	12 (11_0)	12
Max Displays	3	0

🎬

Media & Encoding

Hardware encoder: NVENC (Maxwell) (GeForce 840A) vs VCE 2.0 (Radeon R7 A8-7690K). Decoder: NVDEC (Maxwell) vs UVD 4.2.

Feature	GeForce 840A	Radeon R7 A8-7690K
Encoder	NVENC (Maxwell)	VCE 2.0
Decoder	NVDEC (Maxwell)	UVD 4.2
Codecs	H.264,VC-1,MPEG-2	—

🔌

Power & Dimensions

The GeForce 840A draws 33W versus the Radeon R7 A8-7690K's 100W — a 100.8% difference. The GeForce 840A is more power-efficient. Recommended PSU: 350W (GeForce 840A) vs 350W (Radeon R7 A8-7690K). Power connectors: Legacy vs None.

Feature	GeForce 840A	Radeon R7 A8-7690K
TDP	33W-67%	100W
Recommended PSU	350W	350W
Power Connector	Legacy	None
Length	—	1mm
Slots	—	0
Temp (Load)	75°C	—
Perf/Watt	33.8+196%	11.4

💰

Value Analysis

The GeForce 840A launched at $100 MSRP and currently averages $25, while the Radeon R7 A8-7690K launched at $80 and now averages $40. The GeForce 840A costs 37.5% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 44.6 (GeForce 840A) vs 28.5 (Radeon R7 A8-7690K) — the GeForce 840A offers 56.5% better value. The Radeon R7 A8-7690K is the newer GPU (2015 vs 2014).