GPU Comparison
RADEON
AMD Radeon RX 6600 XT
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2589 MHz
TDP
160 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
RADEON
Radeon RX 7900 GRE
CORE STATE
Navi 31
VRAM
16 GB
CLOCK SPEED
2245 MHz
TDP
260 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600 XT
RX 7900 GRE
Core Specs
Shading Units
2,048
5,120
+150.0%
Shaders
2,048
5,120
+150.0%
TMUs
128
320
+150.0%
ROPs
64
160
+150.0%
Compute Units
32
80
+150.0%
Clocks
Base Clock
1968 MHz
1287 MHz
Boost Clock
2589 MHz
2245 MHz
Game Clock
2359 MHz
1880 MHz
Shader Clock
—
1880 MHz
Memory Clock
2000 MHz
16 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR6
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
256.0 GB/s
576.0 GB/s
Cache
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
32 MB
64 MB
L0 Cache
32 KB per WGP
64 KB per WGP
Performance
Pixel Rate
165.7 GPixel/s
359.2 GPixel/s
Texture Rate
331.4 GTexel/s
718.4 GTexel/s
FP32 (TFLOPS)
10.60 TFLOPS
45.98 TFLOPS
FP64 (TFLOPS)
662.8 GFLOPS (1:16)
1,436.8 GFLOPS (1:32)
FP16 (TFLOPS)
21.21 TFLOPS (2:1)
91.96 TFLOPS (2:1)
AI/RT
RT Cores
32
80
+150.0%
Matrix Cores
—
160
Power
TDP
160 W
260 W
TDP (W)
160
260
+62.5%
Suggested PSU
450 W
600 W
Power Connectors
1x 8-pin
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Navi 23
Navi 31
Codename
—
Plum Bonito
Generation
Navi II
(RX 6000)
Navi III
(RX 7000)
Process Size
7 nm
5 nm
Transistors
11,060 million
57,700 million
Die Size
237 mm²
529 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
109.1M / mm²
AMD MCM
GCD Transistors
—
45,400 million
GCD Die Size
—
304.35 mm²
MCD Transistors
—
2,050 million x6
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
2.2
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
276 mm
10.9 inches
Height
110 mm
4.3 inches
110 mm
4.3 inches
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
379 USD
549 USD
Production
End-of-life
Active
Predecessor
Navi
Navi II
Successor
Navi III
Navi IV