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 465
CORE STATE
GF100
VRAM
1024 MB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
GTX 465
Core Specs
Shading Units
384
352
-8.3%
Shaders
384
352
-8.3%
TMUs
24
44
+83.3%
ROPs
8
32
+300.0%
Compute Units
6
—
SM Count
—
11
Clocks
Base Clock
925 MHz
—
Boost Clock
940 MHz
—
GPU Clock
—
608 MHz
Shader Clock
—
1215 MHz
Memory Clock
1000 MHz
2 Gbps effective
802 MHz
3.2 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
32.00 GB/s
102.7 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
7.520 GPixel/s
13.38 GPixel/s
Texture Rate
22.56 GTexel/s
26.75 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
855.4 GFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
106.9 GFLOPS (1:8)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
—
Power
TDP
—
200 W
TDP (W)
—
200
Suggested PSU
—
550 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 3.0
Fermi
GPU Name
Topaz
GF100
Generation
Gem System
(R5 M200)
GeForce 400
Process Size
28 nm
40 nm
Transistors
1,550 million
3,100 million
Die Size
125 mm²
529 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
—
2.0
Shader Model
6.5
5.1
Physical
Slot Width
—
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
—
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
279 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
GeForce 200
Successor
Polaris Mobile
GeForce 500