GeForce 840M
VS
Radeon R7 A8-7690K

GeForce 840M vs Radeon R7 A8-7690K

NVIDIA

GeForce 840M

2014Core: 1029 MHzBoost: 1124 MHz
VS
AMD

Radeon R7 A8-7690K

2015Boost: 975 MHz

Performance Spectrum - GPU

About G3D Mark

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 840M is positioned at rank 352 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 840M

#342
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
987%
#344
895%
#345
892%
#349
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
811%
#350
Radeon RX 6300
MSRP: $60|Avg: $40
806%
#352
GeForce 840M
MSRP: N/A|Avg: N/A
100%
#354
Radeon R7 M370
MSRP: $130|Avg: $40
99%
#357
Radeon 625
MSRP: $100|Avg: $50
98%
#359
Radeon R7 M350
MSRP: $100|Avg: $100
97%
#360
GeForce 920MX
MSRP: $100|Avg: $54
97%
#361
97%
#362
Radeon HD 7670A
MSRP: $100|Avg: $40
95%
#363
Radeon Vega 8
MSRP: $150|Avg: $40
95%
#367
GeForce 615
MSRP: $50|Avg: $15
92%
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 3.7% higher G3D Mark score. However, the GeForce 840M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

InsightGeForce 840MRadeon R7 A8-7690K
Performance
Lower raw frame rates (-3.7%)
Leading raw performance (+3.7%)
Longevity
🛑Obsolete Architecture (2014 / Maxwell (2014−2017))
🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+300%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the Radeon R7 A8-7690K remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

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.

Technical Specifications

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

NVIDIA

GeForce 840M

The GeForce 840M is manufactured by NVIDIA. It was released in March 12 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: 1,100 points.

AMD

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 840M scores 1,100 and the Radeon R7 A8-7690K reaches 1,141 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The GeForce 840M is built on Maxwell while the Radeon R7 A8-7690K uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce 840M) vs 1,024 (Radeon R7 A8-7690K). Raw compute: 0.8632 TFLOPS (GeForce 840M) vs 1.997 TFLOPS (Radeon R7 A8-7690K). Boost clocks: 1124 MHz vs 975 MHz.

FeatureGeForce 840MRadeon R7 A8-7690K
G3D Mark Score
1,100
1,141+4%
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)

FeatureGeForce 840MRadeon 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)

The GeForce 840M comes with 2 GB of VRAM, while the Radeon R7 A8-7690K has 512 MB. The GeForce 840M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 1 MB (GeForce 840M) vs 0.5 MB (Radeon R7 A8-7690K) — the GeForce 840M has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 840MRadeon R7 A8-7690K
VRAM Capacity
2 GB+300%
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: 11.0 (GeForce 840M) vs 12 (Radeon R7 A8-7690K). Maximum simultaneous displays: 1 vs 0.

FeatureGeForce 840MRadeon R7 A8-7690K
DirectX
11.0
12+9%
Max Displays
1
0
🎬

Media & Encoding

Hardware encoder: NVENC 2.0 (GeForce 840M) vs VCE 2.0 (Radeon R7 A8-7690K). Decoder: PureVideo HD VP6 vs UVD 4.2.

FeatureGeForce 840MRadeon R7 A8-7690K
Encoder
NVENC 2.0
VCE 2.0
Decoder
PureVideo HD VP6
UVD 4.2
Codecs
MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265
🔌

Power & Dimensions

The GeForce 840M draws 33W versus the Radeon R7 A8-7690K's 100W — a 100.8% difference. The GeForce 840M is more power-efficient. Recommended PSU: 350W (GeForce 840M) vs 350W (Radeon R7 A8-7690K). Power connectors: Legacy vs None. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

FeatureGeForce 840MRadeon R7 A8-7690K
TDP
33W-67%
100W
Recommended PSU
350W
350W
Power Connector
Legacy
None
Length
0mm
1mm
Height
0mm
Slots
0
0
Temp (Load)
75°C
Perf/Watt
33.3+192%
11.4
💰

Value Analysis

The Radeon R7 A8-7690K is the newer GPU (2015 vs 2014).

FeatureGeForce 840MRadeon R7 A8-7690K
MSRP
$80
Avg Price (30d)
$40
Codename
GM108
Trinidad
Release
March 12 2014
June 18 2015
Ranking
#854
#467