Radeon R7 +8G vs GeForce GT 640

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 Radeon R7 +8G is positioned at rank 217 and the GeForce GT 640 is on rank 107, so the GeForce GT 640 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 Radeon R7 +8G

#52

Radeon 8060S

MSRP: $800|Avg: $800

93%

#207

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

447%

#209

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

405%

#210

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

404%

#214

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

367%

#215

Radeon RX 6300

MSRP: $60|Avg: $40

365%

#217

Radeon R7 +8G

MSRP: $49|Avg: $20

100%

#221

Radeon HD 6550A

MSRP: $30|Avg: $30

97%

#222

Maxwell GPU Surface Book (940M, GDDR5)

MSRP: $150|Avg: $75

96%

#224

GeForce GT 640M

MSRP: N/A|Avg: $50

93%

#228

GeForce GT 750M Mac Edition

MSRP: $149|Avg: $40

91%

#230

Maxwell GPU Surface Book

MSRP: $150|Avg: $75

91%

Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce GT 640

#1

GeForce RTX 3060 Ti

MSRP: $399|Avg: $280

614%

#2

GeForce RTX 5060

MSRP: $299|Avg: $299

590%

#3

Radeon RX 5600 XT

MSRP: $279|Avg: $180

583%

#4

Radeon RX 9060

MSRP: $249|Avg: $249

582%

#5

GeForce RTX 5050

MSRP: $249|Avg: $249

581%

#6

GeForce RTX 3050 OEM

MSRP: $249|Avg: $150

578%

#7

Arc A580

MSRP: $179|Avg: $179

570%

#8

Radeon RX 9060 XT

MSRP: $299|Avg: $299

568%

#9

Radeon RX 9060 XT 8GB

MSRP: $299|Avg: $299

563%

#10

Radeon RX 7600

MSRP: $269|Avg: $250

562%

#11

Radeon RX 6600

MSRP: $329|Avg: $180

555%

#12

GeForce RTX 4060

MSRP: $299|Avg: $299

554%

#13

Arc B570

MSRP: $219|Avg: $219

544%

#14

Arc B580

MSRP: $249|Avg: $249

543%

#92

Radeon R5 430 OEM

MSRP: N/A|Avg: $13

677%

#107

GeForce GT 640

MSRP: $99|Avg: $50

100%

#108

Radeon R7 250

MSRP: $89|Avg: $25

100%

#109

GeForce GT 640 Rev. 2

MSRP: $99|Avg: $99

100%

#111

Radeon HD 8550D

MSRP: $50|Avg: $50

96%

#112

Radeon 520

MSRP: $78|Avg: $78

95%

#113

Radeon HD 4810

MSRP: $70|Avg: $15

94%

#115

GeForce 605

MSRP: $30|Avg: $30

93%

#116

Radeon HD 8410G

MSRP: $40|Avg: $5

92%

#117

RADEON HD6530D

MSRP: $50|Avg: $10

90%

#118

Moore Threads MTT S30

MSRP: $55|Avg: $55

89%

#119

Radeon 535

MSRP: $100|Avg: $100

89%

#122

GeForce GTS 450

MSRP: $129|Avg: $20

88%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon R7 +8G is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score. However, the GeForce GT 640 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon R7 +8G	GeForce GT 640
Performance	✅Leading raw performance (+1.9%)	❌Lower raw frame rates (-1.9%)
Longevity	🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+700%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	📏 Compact / SFF Friendly

💎 Value Proposition

The Radeon R7 +8G offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7 +8G holds the technical lead. Priced at $20 (vs $50), it costs 60% less, resulting in a 154.7% higher cost efficiency score.

Insight	Radeon R7 +8G	GeForce GT 640
Cost Efficiency	✅Better overall value (+154.7%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($20)	⚠️Higher upfront cost ($50)

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.

Radeon R7 +8G Benchmark Check

GeForce GT 640 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon R7 +8G and GeForce GT 640

Radeon R7 +8G

The Radeon R7 +8G is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 915 MHz. It has 640 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,191 points.

GeForce GT 640

The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.

⚡

Graphics Performance

The Radeon R7 +8G scores 1,191 and the GeForce GT 640 reaches 1,169 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Radeon R7 +8G is built on GCN 1.0 while the GeForce GT 640 uses Kepler, both on a 28 nm process. Shader units: 640 (Radeon R7 +8G) vs 384 (GeForce GT 640). Raw compute: 1.171 TFLOPS (Radeon R7 +8G) vs 0.6927 TFLOPS (GeForce GT 640).

Feature	Radeon R7 +8G	GeForce GT 640
G3D Mark Score	1,191+2%	1,169
Architecture	GCN 1.0	Kepler
Process Node	28 nm	28 nm
Shading Units	640+67%	384
Compute (TFLOPS)	1.171 TFLOPS+69%	0.6927 TFLOPS
ROPs	16	16
TMUs	40+25%	32
L1 Cache	160 KB+400%	32 KB
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon R7 +8G	GeForce GT 640
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

The Radeon R7 +8G comes with 512 MB of VRAM, while the GeForce GT 640 has 4 GB. The GeForce GT 640 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

Feature	Radeon R7 +8G	GeForce GT 640
VRAM Capacity	0.5 GB	4 GB+700%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 12 (11_1) (Radeon R7 +8G) vs 11.0 (GeForce GT 640). Vulkan: 1.2 vs 1.1. OpenGL: 4.6 vs 4.5. Maximum simultaneous displays: 2 vs 3.

Feature	Radeon R7 +8G	GeForce GT 640
DirectX	12 (11_1)+9%	11.0
Vulkan	1.2+9%	1.1
OpenGL	4.6+2%	4.5
Max Displays	2	3+50%

🎬

Media & Encoding

Hardware encoder: VCE 2.0 (Radeon R7 +8G) vs NVENC 1.0 (GeForce GT 640). Decoder: UVD 4.0 vs PureVideo HD VP5. Supported codecs: H.264,MPEG-4,VC-1,MPEG-2 (Radeon R7 +8G) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640).

Feature	Radeon R7 +8G	GeForce GT 640
Encoder	VCE 2.0	NVENC 1.0
Decoder	UVD 4.0	PureVideo HD VP5
Codecs	H.264,MPEG-4,VC-1,MPEG-2	MPEG-2,H.264,VC-1,MPEG-4 ASP

🔌

Power & Dimensions

The Radeon R7 +8G draws 30W versus the GeForce GT 640's 65W — a 73.7% difference. The Radeon R7 +8G is more power-efficient. Recommended PSU: 350W (Radeon R7 +8G) vs 300W (GeForce GT 640). Power connectors: PCIe-powered vs None. Card length: 168mm vs 145mm, occupying 1 vs 1 slots. Typical load temperature: 75 vs 60°C.

Feature	Radeon R7 +8G	GeForce GT 640
TDP	30W-54%	65W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	None
Length	168mm	145mm
Height	111mm	111mm
Slots	1	1
Temp (Load)	75	60°C-20%
Perf/Watt	39.7+121%	18.0

💰

Value Analysis

The Radeon R7 +8G launched at $49 MSRP and currently averages $20, while the GeForce GT 640 launched at $99 and now averages $50. The Radeon R7 +8G costs 60% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 59.5 (Radeon R7 +8G) vs 23.4 (GeForce GT 640) — the Radeon R7 +8G offers 154.3% better value. The Radeon R7 +8G is the newer GPU (2015 vs 2012).