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
GPU
Arc A770M
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2050 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
—
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
A770M
Core Specs
Shading Units
5,120
4,096
-20.0%
Shaders
5,120
4,096
-20.0%
TMUs
320
256
-20.0%
ROPs
128
128
0.0%
Compute Units
80
—
Execution Units
—
512
Clocks
Base Clock
1825 MHz
1650 MHz
Boost Clock
2250 MHz
2050 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
16 GB
16 GB
VRAM (MB)
16,384
16,384
0.0%
Memory Type
GDDR6
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
512.0 GB/s
512.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
4 MB
16 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
262.4 GPixel/s
Texture Rate
720.0 GTexel/s
524.8 GTexel/s
FP32 (TFLOPS)
23.04 TFLOPS
16.79 TFLOPS
FP64 (TFLOPS)
1,440.0 GFLOPS (1:16)
—
FP16 (TFLOPS)
46.08 TFLOPS (2:1)
33.59 TFLOPS (2:1)
AI/RT
RT Cores
80
32
-60.0%
XMX Cores
—
512
Power
TDP
300 W
120 W
TDP (W)
300
120
-60.0%
Suggested PSU
700 W
—
Power Connectors
2x 8-pin
—
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Navi 21
DG2-512
Generation
Navi II
(RX 6000)
Alchemist
(Arc 7 Mobile)
Process Size
7 nm
6 nm
Transistors
26,800 million
21,700 million
Die Size
520 mm²
406 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
53.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
Shader Model
6.8
6.6
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
Portable Device Dependent
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
—