AMD Radeon RX 7700 XT vs AMD Radeon RX 6400

AMD Radeon RX 7700 XT $449
AMD Radeon RX 6400 $149
3456 Shaders
12GB GDDR6
2544MHz
768 Shaders
4GB GDDR6
2321MHz
FP32
35.17 TFLOPS
FP32
3.57 TFLOPS
FP16
70.34 TFLOPS
FP16
7.13 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
245W
TDP
53W
Power Connectors
-
2x 8-Pin
-
-
-
-
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL 32,985
11%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan 24,940
12%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal 45
8%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
RDNA 2
Family
Radeon RX 7000
Family
Radeon RX 6000
Codename
Wheat Nas
Navi 32
Variant
Navi 32
Codename
Beige Goby
Navi 24
Variant
Navi 24 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/25/2023
Release Date
4/20/2022
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
N6
-
Die Size
200 mm²
4x 38 mm² Memory Cache Die
Die Size
107 mm²
-
Transistor Count
28.1 Billion
4x 2.1 Billion Memory Cache Die
Transistor Count
5.4 Billion
-
Transistor Density
140.50M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
50.47M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3456 Shaders
-
Shading Units
768 Shaders
-
Texture Mapping Units
216 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
96 ROPs
Render Output Units
32 ROPs
Tensor Cores
108 T-Cores
-
-
Ray-Tracing Cores
54 RT-Cores
Ray-Tracing Cores
12 RT-Cores
-
-
-
-
Compute Units
54 CUs
Compute Units
12 CUs
-
-
-
-
-
-
Graphics Processing Clusters
1 GPC
-
-
1900MHz Base
2544MHz
-
-
2039MHz Base
2321MHz
-
-
-
-
-
-
-
-
-
-
FP16
70.34 TFLOPS
-
FP16
7.13 TFLOPS
-
-
-
-
-
-
-
FP32
35.17 TFLOPS
FP32
3.57 TFLOPS
-
-
-
-
FP64
1.1 TFLOPS
-
FP64
0.22 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
244.224 GPixel/s
Pixel Fillrate
74.272 GPixel/s
-
-
-
-
Texture Fillrate
549.504 GTexel/s
Texture Fillrate
111.408 GTexel/s
L0
64KB/WGP
L0
32KB/WGP
L1
-
-
-
256KB/Array
L1
-
-
-
128KB/Array
L2
4MB Shared
L2
1MB Shared
L3
48MB Shared
1.69TB/s
L3
8MB Shared
0.21TB/s
12GB
GDDR6
-
4GB
GDDR6
-
Bus Width
192Bit
Bus Width
64Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
432GB/s
Clock
1750MHz
Transfer Rate
14GT/s
Bandwidth
112GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
245W
TDP
53W
-
-
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
Max Resolution
15360x8640
Max Resolution
7680x4320
Max Resolution Refresh Rate
165Hz
Max Resolution Refresh Rate
120Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
3
Multi Monitor Support
2
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 4.0
No Encoders
-
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Model
VCN 4.0
Model
VCN 3.0
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
Shader Model
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.6
-
-
GFX
10.3
-
-
-
-
-
-
-
2x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
-
-
-
-
-
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
4
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
Bridgeless
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
Height
110 mm (4.33 in)
Width
190 mm (7.48 in)
Depth
40 mm (1.57 in)
Change Comparison