Home GPU Comparison NVIDIA GeForce GT 640 vs ATI FirePro V7760

NVIDIA GeForce GT 640 vs ATI FirePro V7760

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM FirePro V7760 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.51GB/s vs 27.20GB/s)
Lower TDP (65W vs 76W)
ATI FirePro V7760 's Advantages
416 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640
0.693 TFLOPS
FirePro V7760 +73%
1.2 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Jan 2012
GeForce 600
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
891 MHz
Memory Clock
850 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
128bit
28.51GB/s
Bandwidth
27.20GB/s

Render Config

-
Compute Units
10
-
-
-
384
Shading Units
800
32
TMUs
40
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
6.000 GPixel/s
28.86 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1200 GFLOPS
28.86 GFLOPS
FP64 (double)
-

Board Design

65W
TDP
76W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI
None
Power Connectors
1x 6-pin

Graphics Processor

GK107
GPU Name
RV770
GK107-300-A2
GPU Variant
RV770 XT (215-0669049)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.27 billion
Transistors
0.956 billion
118 mm²
Die Size
256 mm²

Graphics Features

12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1

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