Home GPU Comparison AMD Radeon HD 7950 Mac Edition vs AMD Radeon R7 250E

AMD Radeon HD 7950 Mac Edition vs AMD Radeon R7 250E

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 1024MB VRAM Radeon R7 250E to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 72.00GB/s)
1280 additional rendering cores
AMD Radeon R7 250E 's Advantages
Released 9 months late
Lower TDP (55W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 Mac Edition +250%
2.867 TFLOPS
Radeon R7 250E
0.819 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Dec 2013
Southern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
1125 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
72.00GB/s

Render Config

-
SM Count
-
28
Compute Units
8
1792
Shading Units
512
112
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB

Theoretical Performance

25.60 GPixel/s
Pixel Rate
12.80 GPixel/s
89.60 GTexel/s
Texture Rate
25.60 GTexel/s
-
FP16 (half)
-
2.867 TFLOPS
FP32 (float)
819.2 GFLOPS
716.8 GFLOPS
FP64 (double)
51.20 GFLOPS

Graphics Processor

Tahiti
GPU Name
Cape Verde
Tahiti PRO (215-0821056)
GPU Variant
Cape Verde PRO
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
1.5 billion
352 mm²
Die Size
123 mm²

Board Design

200W
TDP
55W
550 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
None

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1

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