AMD Radeon HD 7950 Boost vs AMD Radeon RX 6800
GPU Specs Compare
Graphics Card
Release Date
Jun 2012
Oct 2020
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
850 MHz
1700 MHz
Boost Clock
925 MHz
2105 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
512.0GB/s
Render Config
Compute Units
28
60
Shading Units
1792
3840
TMUs
112
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
4 MB
RT Cores
-
60
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
202.1 GPixel/s
Texture Rate
103.6 GTexel/s
505.2 GTexel/s
FP32 (float)
3.315 TFLOPS
16.17 TFLOPS
FP64 (double)
828.8 GFLOPS
1010 GFLOPS
FP16 (half)
-
32.33 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 21
GPU Variant
Tahiti PRO2(215-0821282)
Navi 21 XL(215-121000187)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
26.8 billion
Die Size
352 mm²
520 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5
📊 Benchmark
3DMark Time Spy
-
16,182
3DMark Time Spy Extreme
-
7,771
3DMark Speed Way
-
3,062