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GPU Comparison
AMD Radeon HD 7970 X2 vs AMD Radeon HD 7750
AMD Radeon HD 7970 X2 vs AMD Radeon HD 7750
VS
AMD Radeon HD 7970 X2
AMD Radeon HD 7750
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM Radeon HD 7750 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 6 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (264.0GB/s vs 72.00GB/s)
1536 additional rendering cores
AMD Radeon HD 7750 's Advantages
Lower TDP (55W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
+362%
3.789 TFLOPS
Radeon HD 7750
0.819 TFLOPS
Radeon HD 7970 X2
VS
Radeon HD 7750
Graphics Card
Aug 2012
Release Date
Feb 2012
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
1125 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
32
Compute Units
8
2048
Shading Units
512
128
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
12.80 GPixel/s
118.4 GTexel/s
Texture Rate
25.60 GTexel/s
-
FP16 (half)
-
3.789 TFLOPS
FP32 (float)
819.2 GFLOPS
947.2 GFLOPS
FP64 (double)
51.20 GFLOPS
Graphics Processor
New Zealand
GPU Name
Cape Verde
-
GPU Variant
Cape Verde PRO
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
1.5 billion
352 mm²
Die Size
123 mm²
Board Design
500W
TDP
55W
900 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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