GeForce 830A 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 GeForce 830A is positioned at rank 344 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 GeForce 830A

#334

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

926%

#336

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

839%

#337

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

837%

#341

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

761%

#342

Radeon RX 6300

MSRP: $60|Avg: $40

756%

#344

GeForce 830A

MSRP: $100|Avg: $30

100%

#348

GeForce MX350

MSRP: $250|Avg: $200

96%

#349

GeForce 840A

MSRP: $100|Avg: $25

95%

#350

Radeon R9 M295X Mac Edition

MSRP: $450|Avg: $450

95%

#351

HD Graphics 630

MSRP: $100|Avg: $30

95%

#354

Radeon R7 M370

MSRP: $130|Avg: $40

93%

#357

Radeon 625

MSRP: $100|Avg: $50

92%

#359

Radeon R7 M350

MSRP: $100|Avg: $100

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 GeForce 830A is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score. However, the GeForce GT 640 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce 830A	GeForce GT 640
Performance	✅Leading raw performance (+0.3%)	❌Lower raw frame rates (-0.3%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	🛑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

💎 Value Proposition

The GeForce 830A offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 830A holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 67.2% higher cost efficiency score.

Insight	GeForce 830A	GeForce GT 640
Cost Efficiency	✅Better overall value (+67.2%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($30)	⚠️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.

GeForce 830A Benchmark Check

GeForce GT 640 Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce 830A and GeForce GT 640

GeForce 830A

The GeForce 830A is manufactured by NVIDIA. It was released in July 22 2014. It features the Maxwell architecture. The core clock ranges from 1082 MHz to 1150 MHz. It has 256 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,173 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 GeForce 830A scores 1,173 and the GeForce GT 640 reaches 1,169 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce 830A is built on Maxwell while the GeForce GT 640 uses Kepler, both on a 28 nm process. Shader units: 256 (GeForce 830A) vs 384 (GeForce GT 640). Raw compute: 0.5888 TFLOPS (GeForce 830A) vs 0.6927 TFLOPS (GeForce GT 640).

Feature	GeForce 830A	GeForce GT 640
G3D Mark Score	1,173	1,169
Architecture	Maxwell	Kepler
Process Node	28 nm	28 nm
Shading Units	256	384+50%
Compute (TFLOPS)	0.5888 TFLOPS	0.6927 TFLOPS+18%
ROPs	8	16+100%
TMUs	16	32+100%
L1 Cache	128 KB+300%	32 KB
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 830A	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	Standard	Standard

💾

Video Memory (VRAM)

The GeForce 830A 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. L2 Cache: 1 MB (GeForce 830A) vs 0.25 MB (GeForce GT 640) — the GeForce 830A has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 830A	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	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce 830A) vs 11.0 (GeForce GT 640). Vulkan: 1.1 vs 1.1. OpenGL: 4.6 vs 4.5. Maximum simultaneous displays: 2 vs 3.

Feature	GeForce 830A	GeForce GT 640
DirectX	12 (11_0)+9%	11.0
Vulkan	1.1	1.1
OpenGL	4.6+2%	4.5
Max Displays	2	3+50%

🎬

Media & Encoding

Hardware encoder: NVENC 3.0 (GeForce 830A) vs NVENC 1.0 (GeForce GT 640). Decoder: VP6 vs PureVideo HD VP5. Supported codecs: H.264,MPEG-2,VC-1 (GeForce 830A) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640).

Feature	GeForce 830A	GeForce GT 640
Encoder	NVENC 3.0	NVENC 1.0
Decoder	VP6	PureVideo HD VP5
Codecs	H.264,MPEG-2,VC-1	MPEG-2,H.264,VC-1,MPEG-4 ASP

🔌

Power & Dimensions

The GeForce 830A draws 33W versus the GeForce GT 640's 65W — a 65.3% difference. The GeForce 830A is more power-efficient. Recommended PSU: 350W (GeForce 830A) vs 300W (GeForce GT 640). Power connectors: Legacy vs None. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 80 vs 60°C.

Feature	GeForce 830A	GeForce GT 640
TDP	33W-49%	65W
Recommended PSU	350W	300W-14%
Power Connector	Legacy	None
Length	0mm	145mm
Height	0mm	111mm
Slots	0-100%	1
Temp (Load)	80	60°C-25%
Perf/Watt	35.5+97%	18.0

💰

Value Analysis

The GeForce 830A launched at $100 MSRP and currently averages $30, while the GeForce GT 640 launched at $99 and now averages $50. The GeForce 830A costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 39.1 (GeForce 830A) vs 23.4 (GeForce GT 640) — the GeForce 830A offers 67.1% better value. The GeForce 830A is the newer GPU (2014 vs 2012).