GPU Comparison
RADEON
AMD Radeon R5 A255
CORE STATE
Topaz
VRAM
1024 MB
CLOCK SPEED
940 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
—
VS
GEFORCE
GeForce RTX 5090 D V2
CORE STATE
GB202
VRAM
24 GB
CLOCK SPEED
2407 MHz
TDP
575 W
BUS WIDTH
384 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
DETAILED SPECIFICATIONS
SPECIFICATION
R5 A255
RTX 5090 D V2
Core Specs
Shading Units
384
21,760
+5566.7%
Shaders
384
21,760
+5566.7%
TMUs
24
680
+2733.3%
ROPs
8
176
+2100.0%
Compute Units
6
—
SM Count
—
170
Clocks
Base Clock
925 MHz
2017 MHz
Boost Clock
940 MHz
2407 MHz
Memory Clock
1000 MHz
4 Gbps effective
1750 MHz
28 Gbps effective
Memory
Memory Size
1024 MB
24 GB
VRAM (MB)
1,024
24,576
+2300.0%
Memory Type
GDDR5
GDDR7
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
1.34 TB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
96 MB
Performance
Pixel Rate
7.520 GPixel/s
423.6 GPixel/s
Texture Rate
22.56 GTexel/s
1,636.8 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
104.8 TFLOPS
FP64 (TFLOPS)
—
1.637 TFLOPS (1:64)
FP16 (TFLOPS)
—
104.8 TFLOPS (1:1)
AI/RT
RT Cores
—
170
Tensor Cores
—
680
Power
TDP
—
575 W
TDP (W)
—
575
Suggested PSU
—
950 W
Power Connectors
—
1x 16-pin
Architecture
Architecture
GCN 3.0
Blackwell 2.0
GPU Name
Topaz
GB202
Generation
All-In-One
(Rx 200)
GeForce 50
Process Size
28 nm
5 nm
Transistors
1,550 million
92,200 million
Die Size
125 mm²
750 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
122.9M / 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
3.0
CUDA
—
12.0
Shader Model
6.5
6.8
Physical
Slot Width
—
Dual-slot
Length
—
304 mm
12 inches
Height
—
137 mm
5.4 inches
Outputs
—
1x HDMI 2.1b3x DisplayPort 2.1b
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Launch Price
—
2,299 USD
Production
End-of-life
Active
Predecessor
—
GeForce 40