Radeon R9 255 OEM vs GeForce GT 545
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1536MB VRAM GeForce GT 545 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 255 OEM Advantages
Released 2 years and 7 months late
Boost Clock930MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (73.60GB/s vs 38.40GB/s)
368 additional rendering cores
Lower TDP (65W vs 70W)
Score
Benchmark
FP32 (float)
Radeon R9 255 OEM
+129%
952
GeForce GT 545
415
Graphics Card
Dec 2013
Release Date
May 2011
Volcanic Islands
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Base Clock
-
930 MHz
Boost Clock
-
1150 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1536MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
192bit
73.60GB/s
Bandwidth
38.40GB/s
Render Config
8
Compute Units
-
-
SM Count
3
512
Shading Units
144
32
TMUs
24
16
ROPs
16
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
Theoretical Performance
14.88 GPixel/s
Pixel Rate
4.320 GPixel/s
29.76 GTexel/s
Texture Rate
17.28 GTexel/s
952.3 GFLOPS
FP32 (float)
414.7 GFLOPS
59.52 GFLOPS
FP64 (double)
34.56 GFLOPS
Board Design
65W
TDP
70W
250 W
Suggested PSU
250 W
No outputs
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
1x 6-pin
Power Connectors
None
Graphics Processor
Cape Verde
GPU Name
GF116
Cape Verde PRX
GPU Variant
-
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
1.17 billion
123 mm²
Die Size
238 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1