AMD Radeon RX 9070 vs PowerColor Radeon RX 6600 XT Red Devil

AMD Radeon RX 9070 $549
PowerColor Radeon RX 6600 XT Red Devil $379
3584 Shaders
16GB GDDR6
2520MHz
2048 Shaders
8GB GDDR6
2607MHz
Peak AI Performance
1.16 POPS
INT4 Tensor Sparse
Peak AI Performance
21.36 TFLOPS
FP16
FP32
36.13 TFLOPS
FP32
10.68 TFLOPS
FP16
72.25 TFLOPS
FP16
21.36 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.6-Slots
TDP
220W
TDP
160W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
GB6 OpenCL N/A
0%
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL 93,045
30%
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 66,395
32%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal 215
37%
Manufacturer
AMD
Manufacturer
PowerColor
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 4
Architecture
RDNA 2
Family
Radeon RX 9000
Family
Radeon RX 6000
Codename
-
Navi 48
Variant
Navi 48 XL
Codename
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/6/2025
Release Date
8/11/2021
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
N4P
-
Fabrication Node
N7
-
Die Size
357 mm²
-
Die Size
237 mm²
-
Transistor Count
53.9 Billion
-
Transistor Count
11.1 Billion
-
Transistor Density
151.19M/mm²
-
Transistor Density
46.67M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3584 Shaders
-
Shading Units
2048 Shaders
-
Texture Mapping Units
448 TMUs
Texture Mapping Units
128 TMUs
Render Output Units
128 ROPs
Render Output Units
64 ROPs
Tensor Cores
112 T-Cores
-
-
Ray-Tracing Cores
56 RT-Cores
Ray-Tracing Cores
32 RT-Cores
-
-
-
-
Compute Units
56 CUs
Compute Units
32 CUs
-
-
-
-
-
-
Graphics Processing Clusters
1 GPC
-
-
2210MHz Base
2520MHz
-
-
2188MHz Base
2607MHz
Peak AI Performance
1.16 POPS
INT4 Tensor Sparse
Peak AI Performance
21.36 TFLOPS
FP16
-
-
-
-
-
-
FP8
144.51 TFLOPS
144.51 TFLOPS Tensor (FP16 Accumulate)
289.01 TFLOPS Tensor (FP16 Accumulate) Sparse
144.51 TFLOPS Tensor (FP32 Accumulate)
289.01 TFLOPS Tensor (FP32 Accumulate) Sparse
-
-
-
-
-
-
FP16
72.25 TFLOPS
72.25 TFLOPS Tensor (FP16 Accumulate)
144.51 TFLOPS Tensor (FP16 Accumulate) Sparse
72.25 TFLOPS Tensor (FP32 Accumulate)
144.51 TFLOPS Tensor (FP32 Accumulate) Sparse
FP16
21.36 TFLOPS
-
-
-
-
FP32
36.13 TFLOPS
-
-
FP32
10.68 TFLOPS
-
-
FP64
1.13 TFLOPS
-
FP64
670 GFLOPS
-
BF16
72.25 TFLOPS
72.25 TFLOPS Tensor
144.51 TFLOPS Tensor Sparse
-
-
-
-
-
-
-
-
-
-
INT4
578.03 TOPS Tensor
1.16 POPS Tensor Sparse
-
-
-
INT8
-
289.01 TOPS Tensor
578.03 TOPS Tensor Sparse
-
-
-
-
INT32
18.06 TOPS
-
-
-
-
-
-
Pixel Fillrate
322.56 GPixel/s
Pixel Fillrate
166.848 GPixel/s
-
-
-
-
Texture Fillrate
1128.96 GTexel/s
Texture Fillrate
333.696 GTexel/s
L0
64KB/WGP
L0
32KB/WGP
L1
-
-
-
256KB/Array
L1
-
-
-
128KB/Array
L2
6MB Shared
L2
2MB Shared
L3
64MB Shared
2.25TB/s
L3
32MB Shared
0.83TB/s
16GB
GDDR6
-
8GB
GDDR6
-
Bus Width
256Bit
Bus Width
128Bit
Clock
2438MHz
Transfer Rate
19.5GT/s
Bandwidth
624GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
256GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
220W
TDP
160W
-
-
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x 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
4
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 4.0
Model
VCN 3.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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
2.1
Vulkan
1.2
Shader Model
6.8
-
-
GFX
12
-
-
-
-
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
-
-
-
3x Fans
-
-
-
2x Fans
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
5.0
PCIe Lanes
16
Slots Required
2.6
PCIe Version
4.0
PCIe Lanes
8
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
132.8 mm (5.23 in)
Width
251.2 mm (9.89 in)
Depth
53.6 mm (2.11 in)
Change Comparison