Home GPU Comparison AMD Radeon HD 7970 X2 vs ATI Radeon HD 4720

AMD Radeon HD 7970 X2 vs ATI Radeon HD 4720

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM Radeon HD 4720 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 8 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 21.34GB/s)
1728 additional rendering cores
ATI Radeon HD 4720 's Advantages
Lower TDP (55W vs 500W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 X2 +886%
3.789 TFLOPS
Radeon HD 4720
0.384 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Dec 2011
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
667 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
21.34GB/s

Render Config

32
Compute Units
4
-
-
-
2048
Shading Units
320
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
4.800 GPixel/s
118.4 GTexel/s
Texture Rate
19.20 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
384.0 GFLOPS
947.2 GFLOPS
FP64 (double)
-

Board Design

500W
TDP
55W
900 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
3x 8-pin
Power Connectors
-

Graphics Processor

New Zealand
GPU Name
RV730
-
GPU Variant
RV730 XT (215-0719047)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.514 billion
352 mm²
Die Size
146 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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