GPU Comparison
RADEON
AMD Radeon RX 6600
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2491 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
GEFORCE
GeForce GTX 980
CORE STATE
GM204
VRAM
4 GB
CLOCK SPEED
1216 MHz
TDP
165 W
BUS WIDTH
256 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2014
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
GTX 980
Core Specs
Shading Units
1,792
2,048
+14.3%
Shaders
1,792
2,048
+14.3%
TMUs
112
128
+14.3%
ROPs
64
64
0.0%
Compute Units
28
—
Clocks
Base Clock
1626 MHz
1127 MHz
Boost Clock
2491 MHz
1216 MHz
Game Clock
2044 MHz
—
Memory Clock
1750 MHz
14 Gbps effective
1753 MHz
7 Gbps effective
Memory
Memory Size
8 GB
4 GB
VRAM (MB)
8,192
4,096
-50.0%
Memory Type
GDDR6
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
224.0 GB/s
224.4 GB/s
Cache
L1 Cache
128 KB per Array
48 KB (per SMM)
L2 Cache
2 MB
2 MB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
159.4 GPixel/s
77.82 GPixel/s
Texture Rate
279.0 GTexel/s
155.6 GTexel/s
FP32 (TFLOPS)
8.928 TFLOPS
4.981 TFLOPS
FP64 (TFLOPS)
558.0 GFLOPS (1:16)
155.6 GFLOPS (1:32)
FP16 (TFLOPS)
17.86 TFLOPS (2:1)
—
AI/RT
RT Cores
28
—
Power
TDP
132 W
165 W
TDP (W)
132
165
+25.0%
Suggested PSU
300 W
450 W
Power Connectors
1x 8-pin
2x 6-pin
Architecture
Architecture
RDNA 2.0
Maxwell 2.0
GPU Name
Navi 23
GM204
Generation
Navi II
(RX 6000)
GeForce 900
Process Size
7 nm
28 nm
Transistors
11,060 million
5,200 million
Die Size
237 mm²
398 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
13.1M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
CUDA
—
5.2
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
267 mm
10.5 inches
Height
110 mm
4.3 inches
111 mm
4.4 inches
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
329 USD
549 USD
Production
End-of-life
End-of-life
Predecessor
Navi
GeForce 700
Successor
Navi III
GeForce 10