Home GPU Comparison AMD Radeon HD 7970 X2 vs ATI Radeon HD 4730

AMD Radeon HD 7970 X2 vs ATI Radeon HD 4730

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 512MB VRAM Radeon HD 4730 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages
Released 3 years and 2 months late
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (264.0GB/s vs 57.60GB/s)
1408 additional rendering cores
ATI Radeon HD 4730 's Advantages
Lower TDP (110W vs 500W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 X2 +294%
3.789 TFLOPS
Radeon HD 4730
0.96 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Jun 2009
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
900 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
57.60GB/s

Render Config

32
Compute Units
8
-
-
-
2048
Shading Units
640
128
TMUs
32
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
6.000 GPixel/s
118.4 GTexel/s
Texture Rate
24.00 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
960.0 GFLOPS
947.2 GFLOPS
FP64 (double)
192.0 GFLOPS

Board Design

500W
TDP
110W
900 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
3x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

New Zealand
GPU Name
RV770
-
GPU Variant
RV770 CE (215-0669093)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.956 billion
352 mm²
Die Size
256 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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