Radeon HD 7970 X2 vs Radeon HD 7970
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7970 X2 's Advantages
Released 7 months late
Radeon HD 7970 's Advantages
Lower TDP (250W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
3789
Radeon HD 7970
3789
Graphics Card
Aug 2012
Release Date
Jan 2012
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1375 MHz
Memory Clock
1375 MHz
Memory
3GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
264.0GB/s
Bandwidth
264.0GB/s
Render Config
32
Compute Units
32
2048
Shading Units
2048
128
TMUs
128
32
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
29.60 GPixel/s
118.4 GTexel/s
Texture Rate
118.4 GTexel/s
3.789 TFLOPS
FP32 (float)
3.789 TFLOPS
947.2 GFLOPS
FP64 (double)
947.2 GFLOPS
Board Design
500W
TDP
250W
900 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
3x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
New Zealand
GPU Name
Tahiti
-
GPU Variant
Tahiti XT
(215-0821060)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
4.313 billion
352 mm²
Die Size
352 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
5.1
Shader Model
6.5 (5.1)
