Home GPU Comparison ATI Radeon HD 5670 vs AMD Radeon HD 7970 X2

ATI Radeon HD 5670 vs AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages
Lower TDP (64W vs 500W)
AMD Radeon HD 7970 X2 's Advantages
Released 2 years and 7 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 64.00GB/s)
1648 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 5670
0.62 TFLOPS
Radeon HD 7970 X2 +511%
3.789 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Aug 2012
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
1375 MHz

Memory

1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
384bit
64.00GB/s
Bandwidth
264.0GB/s

Render Config

5
Compute Units
32
-
-
-
400
Shading Units
2048
20
TMUs
128
8
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

6.200 GPixel/s
Pixel Rate
29.60 GPixel/s
15.50 GTexel/s
Texture Rate
118.4 GTexel/s
-
-
-
620.0 GFLOPS
FP32 (float)
3.789 TFLOPS
-
FP64 (double)
947.2 GFLOPS

Board Design

64W
TDP
500W
250 W
Suggested PSU
900 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
3x 8-pin

Graphics Processor

Redwood
GPU Name
New Zealand
Redwood XT (215-0757002)
GPU Variant
-
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.627 billion
Transistors
4.313 billion
104 mm²
Die Size
352 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
5.1

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