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
GEFORCE
GeForce GTX 460
CORE STATE
GF104
VRAM
768 MB
CLOCK SPEED
—
TDP
160 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
GTX 460
Core Specs
Shading Units
384
336
-12.5%
Shaders
384
336
-12.5%
TMUs
24
56
+133.3%
ROPs
8
24
+200.0%
Compute Units
6
—
SM Count
—
7
Clocks
Base Clock
925 MHz
—
Boost Clock
940 MHz
—
GPU Clock
—
675 MHz
Shader Clock
—
1350 MHz
Memory Clock
1000 MHz
2 Gbps effective
900 MHz
3.6 Gbps effective
Memory
Memory Size
2 GB
768 MB
VRAM (MB)
2,048
768
-62.5%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
32.00 GB/s
86.40 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
7.520 GPixel/s
9.450 GPixel/s
Texture Rate
22.56 GTexel/s
37.80 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
907.2 GFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
75.60 GFLOPS (1:12)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
—
Power
TDP
—
160 W
TDP (W)
—
160
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 3.0
Fermi
GPU Name
Topaz
GF104
Generation
Gem System
(R5 M200)
GeForce 400
Process Size
28 nm
40 nm
Transistors
1,550 million
1,950 million
Die Size
125 mm²
332 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
5.9M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
—
OpenCL
2.1
1.1
CUDA
—
2.1
Shader Model
6.5
5.1
Physical
Slot Width
—
Dual-slot
Length
—
210 mm
8.3 inches
Outputs
—
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
GeForce 200
Successor
Polaris Mobile
GeForce 500