Home GPU Comparison AMD Radeon HD 7970 GHz Edition vs AMD Radeon HD 7730

AMD Radeon HD 7970 GHz Edition vs AMD Radeon HD 7730

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 1024MB VRAM Radeon HD 7730 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages
Boost Clock1050MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 72.00GB/s)
1664 additional rendering cores
AMD Radeon HD 7730 's Advantages
Released 11 months late
Lower TDP (47W vs 300W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 GHz Edition +600%
4.301 TFLOPS
Radeon HD 7730
0.614 TFLOPS
VS

Graphics Card

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

Clock Speeds

1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1500 MHz
Memory Clock
1125 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
72.00GB/s

Render Config

32
Compute Units
6
-
-
-
2048
Shading Units
384
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

33.60 GPixel/s
Pixel Rate
6.400 GPixel/s
134.4 GTexel/s
Texture Rate
19.20 GTexel/s
-
-
-
4.301 TFLOPS
FP32 (float)
614.4 GFLOPS
1075 GFLOPS
FP64 (double)
38.40 GFLOPS

Board Design

300W
TDP
47W
700 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
Cape Verde
Tahiti XT2 (215-0821065)
GPU Variant
Cape Verde LE
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

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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