Home GPU Comparison AMD Radeon HD 7950 Mac Edition vs AMD Radeon HD 7970 GHz Edition

AMD Radeon HD 7950 Mac Edition vs AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 3GB VRAM Radeon HD 7970 GHz Edition 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
Released 9 months late
Lower TDP (200W vs 300W)
AMD Radeon HD 7970 GHz Edition 's Advantages
Boost Clock1050MHz
Larger VRAM bandwidth (288.0GB/s vs 240.0GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7950 Mac Edition
2.867 TFLOPS
Radeon HD 7970 GHz Edition +50%
4.301 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Jun 2012
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
1250 MHz
Memory Clock
1500 MHz

Memory

3GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
240.0GB/s
Bandwidth
288.0GB/s

Render Config

28
Compute Units
32
-
-
-
1792
Shading Units
2048
112
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
33.60 GPixel/s
89.60 GTexel/s
Texture Rate
134.4 GTexel/s
-
-
-
2.867 TFLOPS
FP32 (float)
4.301 TFLOPS
716.8 GFLOPS
FP64 (double)
1075 GFLOPS

Board Design

200W
TDP
300W
550 W
Suggested PSU
700 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti
GPU Name
Tahiti
Tahiti PRO (215-0821056)
GPU Variant
Tahiti XT2 (215-0821065)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
4.313 billion
352 mm²
Die Size
352 mm²

Graphics Features

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

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