Home GPU Comparison ATI Radeon HD 2400 vs NVIDIA GeForce GT 645 OEM

ATI Radeon HD 2400 vs NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2400 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2400 's Advantages
Lower TDP (20W vs 102W)
NVIDIA GeForce GT 645 OEM 's Advantages
Released 4 years and 2 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (91.87GB/s vs 7.920GB/s)
248 additional rendering cores

Score

Benchmark

FP32 (float)
ATI Radeon HD 2400
0.032 TFLOPS
GeForce GT 645 OEM +2693%
0.894 TFLOPS
VS

Graphics Card

Feb 2008
Release Date
Apr 2012
Radeon R600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
495 MHz
Memory Clock
957 MHz

Memory

256MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
192bit
7.920GB/s
Bandwidth
91.87GB/s

Render Config

2
Compute Units
-
-
SM Count
6
40
Shading Units
288
4
TMUs
48
4
ROPs
24
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
32 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

1.592 GPixel/s
Pixel Rate
9.312 GPixel/s
1.592 GTexel/s
Texture Rate
37.25 GTexel/s
-
-
-
31.84 GFLOPS
FP32 (float)
894.0 GFLOPS
-
FP64 (double)
74.50 GFLOPS

Board Design

20W
TDP
102W
200 W
Suggested PSU
300 W
1x DVI 1x S-Video
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
-

Graphics Processor

RV610
GPU Name
GF114
-
-
-
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
40 nm
0.18 billion
Transistors
1.95 billion
85 mm²
Die Size
332 mm²

Graphics Features

10.0 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.0
Shader Model
5.1

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