GPU Comparison
RADEON
AMD Radeon R5 M255
CORE STATE
Topaz
VRAM
2 GB
CLOCK SPEED
940 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
Radeon RX 9070 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
RX 9070 GRE
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
24
192
+700.0%
ROPs
8
96
+1100.0%
Compute Units
6
48
+700.0%
Clocks
Base Clock
925 MHz
1420 MHz
Boost Clock
940 MHz
2790 MHz
Game Clock
—
2220 MHz
Memory Clock
1000 MHz
2 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
32.00 GB/s
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
8 MB
L3 Cache
—
48 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
7.520 GPixel/s
267.8 GPixel/s
Texture Rate
22.56 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
68.57 TFLOPS (2:1)
AI/RT
RT Cores
—
48
Matrix Cores
—
96
Power
TDP
—
220 W
TDP (W)
—
220
Suggested PSU
—
550 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 3.0
RDNA 4.0
GPU Name
Topaz
Navi 48
Generation
Gem System
(R5 M200)
Navi IV
(RX 9000)
Process Size
28 nm
4 nm
Transistors
1,550 million
53,900 million
Die Size
125 mm²
357 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
151.0M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
2.2
Shader Model
6.5
6.8
Physical
Slot Width
—
Dual-slot
Outputs
—
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
Solar System
Navi III
Successor
Polaris Mobile
—