GeForce GT 645 vs FirePro V7800

GeForce GT 645

2012Core: Up to 710 MHz

FirePro V7800

2011Core: 725 MHz

Performance Spectrum - GPU

GeForce GT 645

2,006

0.0%

GeForce GTX 1650 Ti with Max-Q Design

2,028

+1.1%

Radeon HD 4850 X2

Radeon Vega 6 Ryzen 3 3300U

Radeon R9 M275X / M375

Radeon RX 9060 XT 16GB

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 GT 645 is positioned at rank 242 and the FirePro V7800 is on rank 257, so the GeForce GT 645 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 GT 645

#54

Radeon RX 6800S

MSRP: $800|Avg: $800

98%

#232

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

536%

#234

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

486%

#235

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

485%

#239

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

441%

#240

Radeon RX 6300

MSRP: $60|Avg: $40

438%

#242

GeForce GT 645

MSRP: $99|Avg: $15

100%

#252

GeForce 720A

MSRP: $30|Avg: $30

95%

#253

GeForce GT 520M

MSRP: $60|Avg: N/A

93%

#254

Radeon Vega 8 Ryzen 3 3200GE

MSRP: $99|Avg: $60

93%

#257

GeForce GTX 770M SLI

MSRP: N/A|Avg: $80

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar FirePro V7800

#106

L40S

MSRP: $7500|Avg: $7500

100%

#107

Quadro P6000

MSRP: $5999|Avg: $1500

97%

#240

Tesla K20m

MSRP: $3199|Avg: $55

5533%

#256

Quadro K2000D

MSRP: $599|Avg: $35

100%

#257

FirePro V7800

MSRP: $759|Avg: $96

100%

#258

FirePro W8000

MSRP: $1599|Avg: $1599

100%

#259

GRID P4-8Q

MSRP: $2000|Avg: $200

99%

#260

Quadro K2000

MSRP: $599|Avg: $500

99%

#262

FirePro 3D V5800

MSRP: $479|Avg: $30

96%

#263

GRID M3-3020

MSRP: $1000|Avg: $50

94%

#264

GRID P40-8Q

MSRP: $3000|Avg: $150

94%

#265

GRID M40

MSRP: $1000|Avg: $100

94%

#266

FirePro V3800

MSRP: $129|Avg: $12

93%

#267

FirePro V5800

MSRP: $479|Avg: $15

93%

#268

FirePro 3D V7800

MSRP: $759|Avg: $40

92%

#269

FirePro S9050

MSRP: $1999|Avg: $1825

92%

#270

FirePro R5000

MSRP: $1099|Avg: $150

90%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The FirePro V7800 is the superior choice for raw performance. It leads with a 1.1% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 645.

Insight	GeForce GT 645	FirePro V7800
Performance	❌Lower raw frame rates (-1.1%)	✅Leading raw performance (+1.1%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2011 / TeraScale 3 (2010−2013))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	Standard Size (254mm)

💎 Value Proposition

The GeForce GT 645 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 645 holds the technical lead. Priced at $15 (vs $96), it costs 84% less, resulting in a 533.1% higher cost efficiency score.

Insight	GeForce GT 645	FirePro V7800
Cost Efficiency	✅Better overall value (+533.1%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($15)	⚠️Higher upfront cost ($96)

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 GT 645 Benchmark Check

FirePro V7800 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 645 and FirePro V7800

GeForce GT 645

The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.

FirePro V7800

The FirePro V7800 is manufactured by AMD. It was released in May 24 2011. It features the TeraScale 3 architecture. The core clock speed is 725 MHz. It has 1280 shading units. The thermal design power (TDP) is 150W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,028 points.

⚡

Graphics Performance

The GeForce GT 645 scores 2,006 and the FirePro V7800 reaches 2,028 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the FirePro V7800 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 645) vs 1,280 (FirePro V7800). Raw compute: 0.5445 TFLOPS (GeForce GT 645) vs 1.856 TFLOPS (FirePro V7800).

Feature	GeForce GT 645	FirePro V7800
G3D Mark Score	2,006	2,028+1%
Architecture	Kepler	TeraScale 3
Process Node	28 nm	40 nm
Shading Units	384	1280+233%
Compute (TFLOPS)	0.5445 TFLOPS	1.856 TFLOPS+241%
ROPs	16	32+100%
TMUs	32	80+150%
L1 Cache	32 KB	320 KB+900%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645	FirePro V7800
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 GT 645 comes with 2 GB of VRAM, while the FirePro V7800 has 4 GB. The FirePro V7800 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (GeForce GT 645) vs 512 KB (FirePro V7800) — the FirePro V7800 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645	FirePro V7800
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 645) vs 11.2 (FirePro V7800). Vulkan: 1.2 vs None. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 3 vs 3.

Feature	GeForce GT 645	FirePro V7800
DirectX	12 (11_0)+7%	11.2
Vulkan	1.2	None
OpenGL	4.6+5%	4.4
Max Displays	3	3

🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs None (FirePro V7800). Decoder: NVDEC (1st Gen) vs UVD 2.3. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 645) vs H.264,VC-1,MPEG-2 (FirePro V7800).

Feature	GeForce GT 645	FirePro V7800
Encoder	NVENC (1st Gen)	None
Decoder	NVDEC (1st Gen)	UVD 2.3
Codecs	H.264,MPEG-2,VC-1	H.264,VC-1,MPEG-2

🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the FirePro V7800's 150W — a 129.7% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 350W (FirePro V7800). Power connectors: PCIe-powered vs PCIe-powered. Card length: 145mm vs 254mm, occupying 1 vs 1 slots. Typical load temperature: 80 vs 85°C.

Feature	GeForce GT 645	FirePro V7800
TDP	32W-79%	150W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	145mm	254mm
Height	111mm	111mm
Slots	1	1
Temp (Load)	80-6%	85°C
Perf/Watt	62.7+364%	13.5

💰

Value Analysis

The GeForce GT 645 launched at $99 MSRP and currently averages $15, while the FirePro V7800 launched at $759 and now averages $96. The GeForce GT 645 costs 84.4% less ($81 savings) at current market prices. Performance per dollar (G3D Mark / price): 133.7 (GeForce GT 645) vs 21.1 (FirePro V7800) — the GeForce GT 645 offers 533.6% better value. The GeForce GT 645 is the newer GPU (2012 vs 2011).