Home GPU Comparison ATI Radeon HD 4250 vs AMD Radeon HD 7750

ATI Radeon HD 4250 vs AMD Radeon HD 7750

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4250 and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4250 's Advantages
Lower TDP (25W vs 55W)
AMD Radeon HD 7750 's Advantages
Released 3 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 6.336GB/s)
472 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4250
0.048 TFLOPS
Radeon HD 7750 +1606%
0.819 TFLOPS
VS

Graphics Card

Feb 2009
Release Date
Feb 2012
Radeon R600
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
396 MHz
Memory Clock
1125 MHz

Memory

512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
128bit
6.336GB/s
Bandwidth
72.00GB/s

Render Config

2
Compute Units
8
-
-
-
40
Shading Units
512
4
TMUs
32
4
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.376 GPixel/s
Pixel Rate
12.80 GPixel/s
2.376 GTexel/s
Texture Rate
25.60 GTexel/s
-
-
-
47.52 GFLOPS
FP32 (float)
819.2 GFLOPS
-
FP64 (double)
51.20 GFLOPS

Board Design

25W
TDP
55W
200 W
Suggested PSU
250 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
None

Graphics Processor

RV620
GPU Name
Cape Verde
RV620 LE
GPU Variant
Cape Verde PRO
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.181 billion
Transistors
1.5 billion
67 mm²
Die Size
123 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1

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