Home GPU Comparison AMD Radeon R7 250E vs AMD Radeon HD 7450 OEM

AMD Radeon R7 250E vs AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages
Released 1 years and 11 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 8.528GB/s)
352 additional rendering cores
AMD Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 55W)

Score

Benchmark

FP32 (float)
Radeon R7 250E +309%
0.819 TFLOPS
Radeon HD 7450 OEM
0.2 TFLOPS
VS

Graphics Card

Dec 2013
Release Date
Jan 2012
Volcanic Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1125 MHz
Memory Clock
533 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
72.00GB/s
Bandwidth
8.528GB/s

Render Config

8
Compute Units
2
-
-
-
512
Shading Units
160
32
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
2.500 GPixel/s
25.60 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
819.2 GFLOPS
FP32 (float)
200.0 GFLOPS
51.20 GFLOPS
FP64 (double)
-

Board Design

55W
TDP
18W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None

Graphics Processor

Cape Verde
GPU Name
Caicos
Cape Verde PRO
GPU Variant
Caimour
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.37 billion
123 mm²
Die Size
67 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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