AMD Radeon RX 6900 XT vs AMD Radeon HD 8970M
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
May 2013
Generation
Navi II
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
850 MHz
Boost Clock
2250 MHz
900 MHz
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/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
288.0 GPixel/s
28.80 GPixel/s
Texture Rate
720.0 GTexel/s
72.00 GTexel/s
FP16 (half)
46.08 TFLOPS
-
FP32 (float)
23.04 TFLOPS
2.304 TFLOPS
FP64 (double)
1440.0 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Neptune
GPU Variant
Navi 21 XTX(215-121000167)
Neptune XT(216-0847000)
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
300W
100W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.4
1.2
Shader Model
6.8
5.1
📊 Benchmark
3DMark Time Spy
20,764
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