AMD Radeon RX 9070 GRE vs AMD Radeon RX 6800 3456SP
GPU · Specs Compare
Graphics Card
Release Date
May 2025
Unknown
Generation
Navi IV
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1420 MHz
1700 MHz
Boost Clock
2790 MHz
2250 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
512.0GB/s
Render Config
Compute Units
48
54
SM Count
46
—
Shading Units
3072
3456
TMUs
192
216
ROPs
96
96
Tensor Cores
96
—
RT Cores
48
54
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
8 MB
4 MB
L3 Cache
48 MB
128 MB
Theoretical Performance
Pixel Rate
267.8 GPixel/s
216.0 GPixel/s
Texture Rate
535.7 GTexel/s
486.0 GTexel/s
FP16 (half)
68.57 TFLOPS
31.10 TFLOPS
FP32 (float)
34.28 TFLOPS
15.55 TFLOPS
FP64 (double)
1071.4 GFLOPS
972.0 GFLOPS
Graphics Processor
GPU Name
Navi 48
Navi 21
GPU Variant
Navi 48 XL
Navi 21 ES(215-121000066)
Architecture
RDNA 4.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
53.9 billion
26.8 billion
Die Size
357 mm²
520 mm²
Board Design
TDP
220W
250W
Suggested PSU
550 W
600 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
CUDA
12.0
—
Shader Model
6.8
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.