Home GPU Comparison ATI Radeon HD 5970 vs AMD Radeon HD 7970 X2

ATI Radeon HD 5970 vs AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 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 5970 's Advantages
Lower TDP (294W vs 500W)
AMD Radeon HD 7970 X2 's Advantages
Released 2 years and 9 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 128.0GB/s)
448 additional rendering cores

Score

Benchmark

FP32 (float)
ATI Radeon HD 5970
2.32 TFLOPS
Radeon HD 7970 X2 +63%
3.789 TFLOPS
VS

Graphics Card

Nov 2009
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
256bit
Memory Bus
384bit
128.0GB/s
Bandwidth
264.0GB/s

Render Config

20
Compute Units
32
-
-
-
1600
Shading Units
2048
80
TMUs
128
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
29.60 GPixel/s
58.00 GTexel/s
Texture Rate
118.4 GTexel/s
-
-
-
2.320 TFLOPS
FP32 (float)
3.789 TFLOPS
464.0 GFLOPS
FP64 (double)
947.2 GFLOPS

Board Design

294W
TDP
500W
600 W
Suggested PSU
900 W
2x DVI 1x mini-DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
3x 8-pin

Graphics Processor

Hemlock
GPU Name
New Zealand
Hemlock XT (215-0735075)
GPU Variant
-
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
4.313 billion
334 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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