Home GPU Comparison NVIDIA GeForce GT 640 vs AMD FirePro W4100

NVIDIA GeForce GT 640 vs AMD FirePro W4100

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM FirePro W4100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FirePro W4100 's Advantages
Released 2 years and 2 months late
Larger VRAM bandwidth (64.00GB/s vs 28.51GB/s)
128 additional rendering cores
Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)
GeForce GT 640 +7%
0.693 TFLOPS
FirePro W4100
0.645 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Aug 2014
GeForce 600
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
891 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.51GB/s
Bandwidth
64.00GB/s

Render Config

-
Compute Units
8
-
-
-
384
Shading Units
512
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
10.08 GPixel/s
28.86 GTexel/s
Texture Rate
20.16 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
645.1 GFLOPS
28.86 GFLOPS
FP64 (double)
40.32 GFLOPS

Board Design

65W
TDP
50W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
4x mini-DisplayPort 1.2
None
Power Connectors
None

Graphics Processor

GK107
GPU Name
Cape Verde
GK107-300-A2
GPU Variant
Cape Verde PRO GL
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.5 billion
118 mm²
Die Size
123 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1

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