Home GPU Comparison ATI Radeon HD 2600 PRO AGP vs NVIDIA GeForce GT 640 Rev. 2

ATI Radeon HD 2600 PRO AGP vs NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 PRO AGP 's Advantages
Lower TDP (35W vs 49W)
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Released 5 years and 11 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (40.06GB/s vs 12.67GB/s)
264 additional rendering cores

Score

Benchmark

FP32 (float)
ATI Radeon HD 2600 PRO AGP
0.143 TFLOPS
GeForce GT 640 Rev. 2 +461%
0.803 TFLOPS
VS

Graphics Card

Jun 2007
Release Date
May 2013
Radeon R600
Generation
GeForce 600
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
-
-
-
-
-
396 MHz
Memory Clock
1252 MHz

Memory

512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
64bit
12.67GB/s
Bandwidth
40.06GB/s

Render Config

3
Compute Units
-
-
-
-
120
Shading Units
384
8
TMUs
32
4
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
64 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.376 GPixel/s
Pixel Rate
8.368 GPixel/s
4.752 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
142.6 GFLOPS
FP32 (float)
803.3 GFLOPS
-
FP64 (double)
33.47 GFLOPS

Board Design

35W
TDP
49W
200 W
Suggested PSU
200 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
None
Power Connectors
None

Graphics Processor

RV630
GPU Name
GK208
RV630 PRO (215CDBBKA15FG)
GPU Variant
GK208-400-A1
TeraScale
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.39 billion
Transistors
1.02 billion
153 mm²
Die Size
87 mm²

Graphics Features

10.0 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.0
Shader Model
5.1

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