GPU Comparison
RADEON
AMD Radeon RX 6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
53 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
VS
GEFORCE
GRID K220Q
CORE STATE
GK104
VRAM
512 MB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
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 6400
GRID K220Q
Core Specs
Shading Units
768
1,536
+100.0%
Shaders
768
1,536
+100.0%
TMUs
48
128
+166.7%
ROPs
32
32
0.0%
Compute Units
12
—
Clocks
Base Clock
1923 MHz
—
Boost Clock
2321 MHz
—
GPU Clock
—
745 MHz
Game Clock
2039 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
4 GB
512 MB
VRAM (MB)
4,096
512
-87.5%
Memory Type
GDDR6
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
128.0 GB/s
160.0 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
1024 KB
512 KB
L3 Cache
16 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
74.27 GPixel/s
23.84 GPixel/s
Texture Rate
111.4 GTexel/s
95.36 GTexel/s
FP32 (TFLOPS)
3.565 TFLOPS
2.289 TFLOPS
FP64 (TFLOPS)
222.8 GFLOPS (1:16)
95.36 GFLOPS (1:24)
FP16 (TFLOPS)
7.130 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
53 W
225 W
TDP (W)
53
225
+324.5%
Suggested PSU
250 W
550 W
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Kepler
GPU Name
Navi 24
GK104
Generation
Navi II
(RX 6000)
GRID
(K2)
Process Size
6 nm
28 nm
Transistors
5,400 million
3,540 million
Die Size
107 mm²
294 mm²
Foundry
TSMC
TSMC
Density
50.5M / mm²
12.0M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
2.2
3.0
CUDA
—
3.0
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Single-slot
IGP
Outputs
1x HDMI 2.11x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Other
Launch Price
159 USD
469 USD
Production
End-of-life
End-of-life
Predecessor
Navi
—
Successor
Navi III
—