Radeon RX 7900 XT vs Radeon RX 7800 XT

Radeon RX 7900 XT
Radeon RX 7800 XT
5376 Shaders
20GB GDDR6
2400MHz
3840 Shaders
16GB GDDR6
2430MHz
FP32
51.61 TFLOPS
FP32
37.32 TFLOPS
FP16
103.22 TFLOPS
FP16
74.65 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.5-Slots
TDP
315W
TDP
263W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
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 - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
RDNA 3
Family
Radeon RX 7000
Family
Radeon RX 7000
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XT
Codename
Wheat Nas
Navi 32
Variant
Navi 32
Market Segment
Desktop
Market Segment
Desktop
Release Date
12/13/2022
Release Date
8/25/2023
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
TSMC Memory Cache Die
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
N5
N6 Memory Cache Die
Die Size
304 mm²
6x 38 mm² Memory Cache Die
Die Size
200 mm²
4x 38 mm² Memory Cache Die
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
Transistor Count
28.1 Billion
4x 2.1 Billion Memory Cache Die
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
140.50M/mm²
54.64M/mm² Memory Cache Die
Form
PCIe Card
Form
PCIe Card
Shading Units
5376 Shaders
-
Shading Units
3840 Shaders
-
Texture Mapping Units
336 TMUs
Texture Mapping Units
240 TMUs
Render Output Units
192 ROPs
Render Output Units
96 ROPs
-
-
-
-
Ray-Tracing Cores
84 RT-Cores
Ray-Tracing Cores
60 RT-Cores
-
-
-
-
Compute Units
84 CUs
Compute Units
60 CUs
-
-
-
-
-
-
-
-
-
-
1500MHz Base
2400MHz
-
-
1800MHz Base
2430MHz
-
-
-
-
-
-
-
-
-
-
FP16
103.22 TFLOPS
-
FP16
74.65 TFLOPS
-
-
-
-
-
-
-
FP32
51.61 TFLOPS
FP32
37.32 TFLOPS
-
-
-
-
FP64
1.61 TFLOPS
-
FP64
1.17 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
460.8 GPixel/s
Pixel Fillrate
233.28 GPixel/s
-
-
-
-
Texture Fillrate
806.4 GTexel/s
Texture Fillrate
583.2 GTexel/s
L0
64KB/WGP
L0
64KB/WGP
L1
-
-
-
256KB/Array
L1
-
-
-
256KB/Array
L2
6MB Shared
L2
4MB Shared
L3
80MB Shared
2.9TB/s
L3
64MB Shared
2.32TB/s
20GB
GDDR6
-
16GB
GDDR6
-
Bus Width
320Bit
Bus Width
256Bit
Clock
2500MHz
Transfer Rate
20GT/s
Bandwidth
800GB/s
Clock
2425MHz
Transfer Rate
19.4GT/s
Bandwidth
620.8GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
315W
TDP
263W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
Max Resolution
15360x8640
Max Resolution
15360x8640
Max Resolution Refresh Rate
165Hz
Max Resolution Refresh Rate
165Hz
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
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 4.0
Model
VCN 4.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Model
VCN 4.0
Model
VCN 4.0
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
6.7
-
-
GFX
11
-
-
-
-
-
-
-
3x Fans
-
-
-
2x Fans
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
110 mm (4.33 in)
Width
276 mm (10.87 in)
Depth
51 mm (2.01 in)
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
Change Results