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GPU Comparison
AMD Radeon HD 7970 X2 vs AMD Radeon RX 7900 GRE
AMD Radeon HD 7970 X2 vs AMD Radeon RX 7900 GRE
VS
AMD Radeon HD 7970 X2
AMD Radeon RX 7900 GRE
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 GRE 's Advantages
Released 10 years and 11 months late
Boost Clock2245MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (576.0GB/s vs 264.0GB/s)
3072 additional rendering cores
Lower TDP (260W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
3.789 TFLOPS
Radeon RX 7900 GRE
+1113%
45.98 TFLOPS
Radeon HD 7970 X2
VS
Radeon RX 7900 GRE
Graphics Card
Aug 2012
Release Date
Jul 2023
Southern Islands
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1287 MHz
-
Boost Clock
2245 MHz
1375 MHz
Memory Clock
2250 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
576.0GB/s
Render Config
-
SM Count
-
32
Compute Units
80
2048
Shading Units
5120
128
TMUs
320
32
ROPs
160
-
Tensor Cores
-
-
RT Cores
80
16 KB (per CU)
L1 Cache
256 KB per Array
768 KB
L2 Cache
6 MB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
359.2 GPixel/s
118.4 GTexel/s
Texture Rate
718.4 GTexel/s
-
FP16 (half)
91.96 TFLOPS
3.789 TFLOPS
FP32 (float)
45.98 TFLOPS
947.2 GFLOPS
FP64 (double)
1437 GFLOPS
Graphics Processor
New Zealand
GPU Name
Navi 31
-
GPU Variant
Navi 31 XL
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
57.7 billion
352 mm²
Die Size
529 mm²
Board Design
500W
TDP
260W
900 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
3x 8-pin
Power Connectors
2x 8-pin
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
-
CUDA
-
5.1
Shader Model
6.7
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