Home GPU Comparison ATI Radeon HD 4250 vs AMD Radeon HD 8450 OEM

ATI Radeon HD 4250 vs AMD Radeon HD 8450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4250 and 1024MB VRAM Radeon HD 8450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8450 OEM 's Advantages
Released 3 years and 11 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (10.67GB/s vs 6.336GB/s)
120 additional rendering cores
Lower TDP (18W vs 25W)

Score

Benchmark

FP32 (float)
Radeon HD 4250
0.048 TFLOPS
Radeon HD 8450 OEM +316%
0.2 TFLOPS
VS

Graphics Card

Feb 2009
Release Date
Jan 2013
Radeon R600
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
396 MHz
Memory Clock
667 MHz

Memory

512MB
Memory Size
1024MB
DDR2
Memory Type
DDR3
64bit
Memory Bus
64bit
6.336GB/s
Bandwidth
10.67GB/s

Render Config

2
Compute Units
2
-
-
-
40
Shading Units
160
4
TMUs
8
4
ROPs
4
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

2.376 GPixel/s
Pixel Rate
2.500 GPixel/s
2.376 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
47.52 GFLOPS
FP32 (float)
200.0 GFLOPS
-
-
-

Board Design

25W
TDP
18W
200 W
Suggested PSU
200 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None

Graphics Processor

RV620
GPU Name
Caicos
RV620 LE
GPU Variant
Caicos PRO-L
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.181 billion
Transistors
0.37 billion
67 mm²
Die Size
67 mm²

Graphics Features

10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0

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