AMD Radeon RX 6700 XT vs AMD Radeon HD 7970 X2
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 3GB VRAM Radeon HD 7970 X2 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 8 years and 7 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 500W)
Score
Benchmark
FP32 (float)
Radeon RX 6700 XT
+248%
13.21 TFLOPS
Radeon HD 7970 X2
3.789 TFLOPS
Graphics Card
Mar 2021
Release Date
Aug 2012
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
40
Compute Units
32
-
-
-
2560
Shading Units
2048
160
TMUs
128
64
ROPs
32
-
-
-
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
768 KB
96 MB
L3 Cache
-
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
Board Design
230W
TDP
500W
550 W
Suggested PSU
900 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
Navi 22
GPU Name
New Zealand
Navi 22 XT
(215-127000006)
GPU Variant
-
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
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
-
-
-
6.5
Shader Model
5.1
