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GPU Comparison
AMD Radeon RX 6700 XT vs AMD Radeon HD 7970
AMD Radeon RX 6700 XT vs AMD Radeon HD 7970
VS
AMD Radeon RX 6700 XT
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT 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 6700 XT 's Advantages
Released 9 years and 3 months late
Boost Clock2581MHz
More VRAM (12GB vs 3GB)
Larger VRAM bandwidth (384.0GB/s vs 264.0GB/s)
512 additional rendering cores
Lower TDP (230W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 6700 XT
+248%
13.21 TFLOPS
Radeon HD 7970
3.789 TFLOPS
3DMark Time Spy
Radeon RX 6700 XT
+460%
12772
Radeon HD 7970
2279
Radeon RX 6700 XT
VS
Radeon HD 7970
Graphics Card
Mar 2021
Release Date
Dec 2011
Navi II
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2321 MHz
Base Clock
-
2581 MHz
Boost Clock
-
2000 MHz
Memory Clock
1375 MHz
Memory
12GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
384bit
384.0GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
40
Compute Units
32
2560
Shading Units
2048
160
TMUs
128
64
ROPs
32
-
Tensor Cores
-
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
768 KB
Theoretical Performance
165.2 GPixel/s
Pixel Rate
29.60 GPixel/s
413.0 GTexel/s
Texture Rate
118.4 GTexel/s
26.43 TFLOPS
FP16 (half)
-
13.21 TFLOPS
FP32 (float)
3.789 TFLOPS
825.9 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
Navi 22
GPU Name
Tahiti
Navi 22 XT (215-127000006)
GPU Variant
Tahiti XT (215-0821060)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
17.2 billion
Transistors
4.313 billion
335 mm²
Die Size
352 mm²
Board Design
230W
TDP
250W
550 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 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
2.1
OpenCL
1.2
1.3
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
5.1
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