GPU Comparison
RADEON
AMD Radeon Instinct MI25
CORE STATE
Vega 10
VRAM
16 GB
CLOCK SPEED
1500 MHz
TDP
300 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon RX 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI25
RX 6600 LE
Core Specs
Shading Units
4,096
1,792
-56.3%
Shaders
4,096
1,792
-56.3%
TMUs
256
112
-56.3%
ROPs
64
64
0.0%
Compute Units
64
28
-56.3%
Clocks
Base Clock
1400 MHz
1626 MHz
Boost Clock
1500 MHz
2495 MHz
Game Clock
—
2045 MHz
Memory Clock
852 MHz
1704 Mbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
16 GB
8 GB
VRAM (MB)
16,384
8,192
-50.0%
Memory Type
HBM2
GDDR6
Memory Bus
2048 bit
128 bit
Bandwidth
436.2 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
—
32 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
96.00 GPixel/s
159.7 GPixel/s
Texture Rate
384.0 GTexel/s
279.4 GTexel/s
FP32 (TFLOPS)
12.29 TFLOPS
8.942 TFLOPS
FP64 (TFLOPS)
768.0 GFLOPS (1:16)
558.9 GFLOPS (1:16)
FP16 (TFLOPS)
24.58 TFLOPS (2:1)
17.88 TFLOPS (2:1)
AI/RT
RT Cores
—
28
Power
TDP
300 W
132 W
TDP (W)
300
132
-56.0%
Suggested PSU
700 W
300 W
Power Connectors
2x 8-pin
1x 8-pin
Architecture
Architecture
GCN 5.0
RDNA 2.0
GPU Name
Vega 10
Navi 23
Generation
Radeon Instinct
(MIx)
Navi II
(RX 6000)
Process Size
14 nm
7 nm
Transistors
12,500 million
11,060 million
Die Size
495 mm²
237 mm²
Foundry
GlobalFoundries
TSMC
Density
25.3M / mm²
46.7M / mm²
API Support
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
190 mm
7.5 inches
Height
111 mm
4.4 inches
110 mm
4.3 inches
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
FirePro Data Center
Navi
Successor
—
Navi III