AMD Radeon RX 7900 XTX vs AMD Radeon RX 550X 8CU
AMD Radeon RX 7900 XTX
$999
AMD Radeon RX 550X 8CU
$79
|
6144 Shaders
24GB GDDR6
2500MHz
|
512 Shaders
2GB GDDR5
1287MHz
|
|
Peak AI Performance
245.76 TOPS
INT4 Tensor
|
Peak AI Performance
1.32 TFLOPS
FP16
|
|
FP32
61.44 TFLOPS
|
FP32
1.32 TFLOPS
|
|
FP16
122.88 TFLOPS
|
FP16
1.32 TFLOPS
|
|
Form Factor
PCIe Card
2.5-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
355W
|
TDP
50W
|
|
Power Connectors
-
2x 8-Pin
-
-
|
-
-
-
-
-
|
|
GB6 OpenCL N/A
0%
|
|
|
GB6 Metal N/A
0%
|
GB6 Metal N/A
0%
|
|
GB6 Vulkan N/A
0%
|
|
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%
|
|
Peak AI
Performance
245.76 TOPS
INT4 Tensor
|
Peak AI
Performance
1.32 TFLOPS
FP16
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
FP16
122.88 TFLOPS
61.44 TFLOPS
Tensor (FP16 Accumulate)
-
61.44 TFLOPS
Tensor (FP32 Accumulate)
-
|
FP16
1.32 TFLOPS
-
-
-
-
|
|
FP32
61.44 TFLOPS
-
-
|
FP32
1.32 TFLOPS
-
-
|
|
FP64
1.92 TFLOPS
-
|
FP64
80 GFLOPS
-
|
|
BF16
122.88 TFLOPS
61.44 TFLOPS
Tensor
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
INT4
245.76 TOPS
Tensor
-
|
-
-
-
|
|
INT8
-
61.44 TOPS
Tensor
-
|
-
-
-
-
|
|
INT32
30.72 TOPS
|
-
-
|
|
-
-
|
-
-
|
|
Pixel
Fillrate
480 GPixel/s
|
Pixel
Fillrate
20.592 GPixel/s
|
|
-
-
|
-
-
|
|
Texture
Fillrate
960 GTexel/s
|
Texture
Fillrate
41.184 GTexel/s
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 3
|
Architecture
GCN 4
|
|
Family
Radeon RX 7000
|
Family
Radeon RX 500
|
|
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XTX
|
Codename
Lexa
Polaris 12
Variant
Polaris 12 XL
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/13/2022
|
Release Date
4/11/2018
|
|
Foundry
TSMC
TSMC Memory Cache Die
|
Foundry
GlobalFoundries
-
|
|
Fabrication Node
N5
N6 Memory Cache Die
|
Fabrication Node
14LPP
-
|
|
Die Size
304 mm²
6x 38 mm² Memory Cache Die
|
Die Size
103 mm²
-
|
|
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
|
Transistor Count
2.2 Billion
-
|
|
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
|
Transistor Density
21.36M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
6144 Shaders
-
|
Shading Units
512 Shaders
-
|
|
Texture Mapping Units
384 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
192 ROPs
|
Render Output Units
16 ROPs
|
|
Tensor Cores
192 T-Cores
|
-
-
|
|
Ray-Tracing Cores
96 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
96 CUs
|
Compute Units
8 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
1900MHz Base
2500MHz
|
-
-
1100MHz Base
1287MHz
|
|
L0
64KB/WGP
|
-
-
|
|
L1
-
-
-
256KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
6MB Shared
|
L2
512KB Shared
|
|
L3
96MB Shared
3.5TB/s
|
-
-
-
|
|
24GB
GDDR6
-
|
2GB
GDDR5
-
|
|
Bus Width
384Bit
|
Bus Width
128Bit
|
|
Clock
2500MHz
Transfer Rate
20GT/s
Bandwidth
960GB/s
|
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
355W
|
TDP
50W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
|
Max Resolution
15360x8640
|
Max Resolution
5120x2880
|
|
Max Resolution Refresh Rate
165Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
FreeSync
-
|
|
Display Stream Compression (DSC)
Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 2.3
|
Content Protection
HDCP 2.2
|
|
Model
VCN 4.0
|
Model
VCE 3.4
|
|
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
VCN 4.0
|
Model
UVD 6.3
|
|
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
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
|
Shader Model
6.7
-
-
GFX
11
-
-
-
-
|
Shader Model
6.7
-
-
GFX
8
-
-
-
-
|
|
-
-
-
3x 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
3.0
PCIe Lanes
8
|
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
|
Height
135 mm (5.31 in)
Width
287 mm (11.3 in)
Depth
51 mm (2.01 in)
|
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
|
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