AMD Radeon RX 6600 XT vs NVIDIA RTX A4000
GPU · Specs Compare
Graphics Card
Release Date
Jul 2021
Apr 2021
Generation
Navi II
Quadro Ampere
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1968 MHz
735 MHz
Boost Clock
2589 MHz
1560 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
256.0GB/s
448.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
6144
TMUs
128
192
ROPs
64
96
RT Cores
32
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
—
SM Count
—
48
Tensor Cores
—
192
Theoretical Performance
Pixel Rate
165.7 GPixel/s
149.8 GPixel/s
Texture Rate
331.4 GTexel/s
299.5 GTexel/s
FP16 (half)
21.21 TFLOPS
19.17 TFLOPS
FP32 (float)
10.60 TFLOPS
19.17 TFLOPS
FP64 (double)
662.8 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Navi 23
GA104
GPU Variant
Navi 23 XT(215-130000006)
GA104-875-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
11.06 billion
17.4 billion
Die Size
237 mm²
392 mm²
Board Design
TDP
160W
140W
Suggested PSU
450 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
4x DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.7
CUDA
—
8.6
Benchmark
3DMark Time Spy
9,656
11,079
3DMark Time Spy Extreme
4,399
5,367
3DMark Speed Way
1,675
—
Battlefield 5 1080p
144
—
Shadow of the Tomb Raider 2160p
38
—
Cyberpunk 2077 2160p
29
—
Shadow of the Tomb Raider 1440p
72
—
Cyberpunk 2077 1440p
36
—
Shadow of the Tomb Raider 1080p
119
—
Battlefield 5 2160p
58
—
Blender
1,213
—
Cyberpunk 2077 1080p
58
—
Battlefield 5 1440p
111
—
GTA 5 2160p
61
—
GTA 5 1440p
82
—
GTA 5 1080p
149
—
OctaneBench
—
352
▲ Specs Compare
Data sourced from official specifications and benchmark tests.