AMD Radeon RX 6950 XT vs AMD Radeon R9 390

AMD Radeon RX 6950 XT $1,099
AMD Radeon R9 390 $329
5120 Shaders
16GB GDDR6
2324MHz
2560 Shaders
8GB GDDR5
1000MHz
FP32
23.8 TFLOPS
FP32
5.12 TFLOPS
FP16
47.6 TFLOPS
-
-
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
335W
TDP
275W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
GB5 OpenCL 170,545
56%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal 167,895
93%
GB5 Metal - N/A
0%
GB5 Vulkan 117,795
57%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 345
59%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
GCN 2
Family
Radeon RX 6000
Family
Radeon R 300
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 KXTX
Codename
Hawaii
-
Variant
Grenada Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/10/2022
Release Date
6/18/2015
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
N7
-
Fabrication Node
28nm
-
Die Size
520 mm²
-
Die Size
438 mm²
-
Transistor Count
26.8 Billion
-
Transistor Count
6.2 Billion
-
Transistor Density
51.56M/mm²
-
Transistor Density
14.16M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
320 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
128 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
-
-
Compute Units
80 CUs
Compute Units
40 CUs
-
-
-
-
Graphics Processing Clusters
4 GPCs
-
-
-
-
1925MHz Base
2324MHz
-
-
-
1000MHz
-
-
-
-
-
-
-
-
-
-
FP16
47.6 TFLOPS
-
-
-
-
-
-
-
-
-
-
FP32
23.8 TFLOPS
FP32
5.12 TFLOPS
-
-
-
-
FP64
1.49 TFLOPS
-
FP64
0.64 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
297.472 GPixel/s
Pixel Fillrate
64 GPixel/s
-
-
-
-
Texture Fillrate
743.68 GTexel/s
Texture Fillrate
160 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
1MB Shared
L3
128MB Shared
1.66TB/s
-
-
-
16GB
GDDR6
-
8GB
GDDR5
-
Bus Width
256Bit
Bus Width
512Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
335W
TDP
275W
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
2x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
Max Resolution
7680x4320
Max Resolution
4096x2160
Max Resolution Refresh Rate
120Hz
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
4
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 1.4
Model
VCN 3.0
Model
VCE 2.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
Model
VCN 3.0
Model
UVD 4.2
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
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Shader Model
6.5
-
-
GFX
7
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
120 mm (4.72 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
Change Comparison