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GPU Comparison
AMD Radeon RX 7800 vs AMD Radeon HD 7970
AMD Radeon RX 7800 vs AMD Radeon HD 7970
VS
AMD Radeon RX 7800
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7800 's Advantages
Released 11 years and 1 months late
Boost Clock2800MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (576.0GB/s vs 264.0GB/s)
1792 additional rendering cores
AMD Radeon HD 7970 's Advantages
Lower TDP (250W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7800
+884%
37.32 TFLOPS
Radeon HD 7970
3.789 TFLOPS
Radeon RX 7800
VS
Radeon HD 7970
Graphics Card
Jan 2023
Release Date
Dec 2011
Navi III
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1800 MHz
Base Clock
-
2800 MHz
Boost Clock
-
2250 MHz
Memory Clock
1375 MHz
Memory
16GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
384bit
576.0GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
60
Compute Units
32
3840
Shading Units
2048
240
TMUs
128
128
ROPs
32
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
768 KB
Theoretical Performance
358.4 GPixel/s
Pixel Rate
29.60 GPixel/s
672.0 GTexel/s
Texture Rate
118.4 GTexel/s
86.02 TFLOPS
FP16 (half)
-
43.01 TFLOPS
FP32 (float)
3.789 TFLOPS
1344 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
Navi 32
GPU Name
Tahiti
Navi 32 XT
GPU Variant
Tahiti XT (215-0821060)
RDNA 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
Unknown
Transistors
4.313 billion
346 mm²
Die Size
352 mm²
Board Design
300W
TDP
250W
700 W
Suggested PSU
600 W
1x HDMI 2.1a 3x DisplayPort 2.1
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.7
Shader Model
5.1
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