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
RADEON
Radeon RX 7800 XT
CORE STATE
Navi 32
VRAM
16 GB
CLOCK SPEED
2430 MHz
TDP
263 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
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
RX 7800 XT
Core Specs
Shading Units
768
3,840
+400.0%
Shaders
768
3,840
+400.0%
TMUs
48
240
+400.0%
ROPs
32
96
+200.0%
Compute Units
12
60
+400.0%
Clocks
Base Clock
1923 MHz
1295 MHz
Boost Clock
2321 MHz
2430 MHz
Game Clock
2039 MHz
2124 MHz
Memory Clock
2000 MHz
16 Gbps effective
2438 MHz
19.5 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR6
GDDR6
Memory Bus
64 bit
256 bit
Bandwidth
128.0 GB/s
624.1 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
1024 KB
4 MB
L3 Cache
16 MB
64 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
74.27 GPixel/s
233.3 GPixel/s
Texture Rate
111.4 GTexel/s
583.2 GTexel/s
FP32 (TFLOPS)
3.565 TFLOPS
37.32 TFLOPS
FP64 (TFLOPS)
222.8 GFLOPS (1:16)
1,166.4 GFLOPS (1:32)
FP16 (TFLOPS)
7.130 TFLOPS (2:1)
74.65 TFLOPS (2:1)
AI/RT
RT Cores
12
60
+400.0%
Matrix Cores
—
120
Power
TDP
53 W
263 W
TDP (W)
53
263
+396.2%
Suggested PSU
250 W
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Navi 24
Navi 32
Codename
—
Wheat Nas
Generation
Navi II
(RX 6000)
Navi III
(RX 7000)
Process Size
6 nm
5 nm
Transistors
5,400 million
28,100 million
Die Size
107 mm²
346 mm²
Foundry
TSMC
TSMC
Density
50.5M / mm²
81.2M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.2
2.2
Shader Model
6.8
6.8
Physical
Slot Width
Single-slot
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
1x HDMI 2.11x DisplayPort 1.4a
1x HDMI 2.1a3x DisplayPort 2.1
Bus Interface
PCIe 4.0 x4
PCIe 4.0 x16
Other
Launch Price
159 USD
499 USD
Production
End-of-life
Active
Predecessor
Navi
Navi II
Successor
Navi III
Navi IV