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GPU Comparison
NVIDIA GeForce GTX 275 vs AMD Radeon R9 390
NVIDIA GeForce GTX 275 vs AMD Radeon R9 390
VS
NVIDIA GeForce GTX 275
AMD Radeon R9 390
We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 275 's Advantages
Lower TDP (219W vs 275W)
AMD Radeon R9 390 's Advantages
Released 6 years and 5 months late
Larger VRAM bandwidth (384.0GB/s vs 127.0GB/s)
2320 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 275
0.674 TFLOPS
Radeon R9 390
+659%
5.12 TFLOPS
GeForce GTX 275
VS
Radeon R9 390
Graphics Card
Jan 2009
Release Date
Jun 2015
GeForce 200
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1134 MHz
Memory Clock
1500 MHz
Memory
896MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
448bit
Memory Bus
512bit
127.0GB/s
Bandwidth
384.0GB/s
Render Config
30
SM Count
-
-
Compute Units
40
240
Shading Units
2560
80
TMUs
160
28
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
224 KB
L2 Cache
1024 KB
Theoretical Performance
17.72 GPixel/s
Pixel Rate
64.00 GPixel/s
50.64 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP16 (half)
-
673.9 GFLOPS
FP32 (float)
5.120 TFLOPS
84.24 GFLOPS
FP64 (double)
640.0 GFLOPS
Graphics Processor
GT200B
GPU Name
Grenada
G200-105-B3
GPU Variant
Grenada PRO (215-0880030)
Tesla 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
1.4 billion
Transistors
6.2 billion
470 mm²
Die Size
438 mm²
Board Design
219W
TDP
275W
550 W
Suggested PSU
600 W
2x DVI
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.1 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
1.3
CUDA
-
4.0
Shader Model
6.3
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