GPU Comparison
RADEON
AMD Radeon RX 6900 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
GEFORCE
DRIVE A100 PROD
CORE STATE
GA100
VRAM
32 GB
CLOCK SPEED
1260 MHz
TDP
400 W
BUS WIDTH
6144 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2020
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 6900 XT
DRIVE A100 PROD
Core Specs
Shading Units
5,120
6,912
+35.0%
Shaders
5,120
6,912
+35.0%
TMUs
320
432
+35.0%
ROPs
128
192
+50.0%
Compute Units
80
—
SM Count
—
108
Clocks
Base Clock
1825 MHz
1260 MHz
Boost Clock
2250 MHz
1260 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1215 MHz
2.4 Gbps effective
Memory
Memory Size
16 GB
32 GB
VRAM (MB)
16,384
32,768
+100.0%
Memory Type
GDDR6
HBM2e
Memory Bus
256 bit
6144 bit
Bandwidth
512.0 GB/s
1.87 TB/s
Cache
L1 Cache
128 KB per Array
192 KB (per SM)
L2 Cache
4 MB
32 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
241.9 GPixel/s
Texture Rate
720.0 GTexel/s
544.3 GTexel/s
FP32 (TFLOPS)
23.04 TFLOPS
17.42 TFLOPS
FP64 (TFLOPS)
1,440.0 GFLOPS (1:16)
8.709 TFLOPS (1:2)
FP16 (TFLOPS)
46.08 TFLOPS (2:1)
69.67 TFLOPS (4:1)
AI/RT
RT Cores
80
—
Tensor Cores
—
432
Power
TDP
300 W
400 W
TDP (W)
300
400
+33.3%
Suggested PSU
700 W
800 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Navi 21
GA100
Generation
Navi II
(RX 6000)
DRIVE
(Axx)
Process Size
7 nm
7 nm
Transistors
26,800 million
54,200 million
Die Size
520 mm²
826 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
65.6M / mm²
API Support
DirectX
12 Ultimate (12_2)
—
OpenGL
4.6
—
Vulkan
1.4
—
OpenCL
2.1
3.0
CUDA
—
8.0
Shader Model
6.8
—
Physical
Slot Width
Triple-slot
IGP
Length
267 mm
10.5 inches
—
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
999 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
—
Successor
Navi III
—