AMD Radeon RX 6900 XTX vs AMD Radeon HD 7970M
GPU Specs Compare
Graphics Card
Release Date
Unknown
Apr 2012
Generation
Navi II
London
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
2075 MHz
-
Boost Clock
2435 MHz
-
Memory Clock
2250 MHz
1200 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
153.6GB/s
Render Config
Compute Units
80
20
Shading Units
5120
1280
TMUs
320
80
ROPs
128
32
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
311.7 GPixel/s
27.20 GPixel/s
Texture Rate
779.2 GTexel/s
68.00 GTexel/s
FP16 (half)
49.87 TFLOPS
-
FP32 (float)
24.93 TFLOPS
2.176 TFLOPS
FP64 (double)
1.558 TFLOPS
136.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Wimbledon
GPU Variant
Navi 21 XTXH(215-121000247)
Wimbledon XT(216-0836036)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.8 billion
Die Size
520 mm²
212 mm²
Board Design
TDP
330W
100W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1