GPU Comparison
RADEON
AMD Radeon RX 6800 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
RADEON
Radeon VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6800 XT
VII
Core Specs
Shading Units
4,608
3,840
-16.7%
Shaders
4,608
3,840
-16.7%
TMUs
288
240
-16.7%
ROPs
128
64
-50.0%
Compute Units
72
60
-16.7%
Clocks
Base Clock
1825 MHz
1400 MHz
Boost Clock
2250 MHz
1750 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
16 GB
16 GB
VRAM (MB)
16,384
16,384
0.0%
Memory Type
GDDR6
HBM2
Memory Bus
256 bit
4096 bit
Bandwidth
512.0 GB/s
1.02 TB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
112.0 GPixel/s
Texture Rate
648.0 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
20.74 TFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
1,296.0 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
41.47 TFLOPS (2:1)
26.88 TFLOPS (2:1)
AI/RT
RT Cores
72
—
Power
TDP
300 W
295 W
TDP (W)
300
295
-1.7%
Suggested PSU
700 W
600 W
Power Connectors
2x 8-pin
2x 8-pin
Architecture
Architecture
RDNA 2.0
GCN 5.1
GPU Name
Navi 21
Vega 20
Generation
Navi II
(RX 6000)
Vega II
(Radeon VII)
Process Size
7 nm
7 nm
Transistors
26,800 million
13,230 million
Die Size
520 mm²
331 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
40.0M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.1
2.1
Shader Model
6.8
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
280 mm
11 inches
Height
120 mm
4.7 inches
125 mm
4.9 inches
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Launch Price
649 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
Navi
Vega
Successor
Navi III
Navi