Home GPU Comparison NVIDIA GeForce GTX 275 vs AMD Radeon R9 390 X2

NVIDIA GeForce GTX 275 vs AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 8GB VRAM Radeon R9 390 X2 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 580W)
AMD Radeon R9 390 X2 's Advantages
Released 6 years and 8 months late
More VRAM (8GB vs 896GB)
Larger VRAM bandwidth (345.6GB/s vs 127.0GB/s)
2320 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 275
0.674 TFLOPS
Radeon R9 390 X2 +659%
5.12 TFLOPS
VS

Graphics Card

Jan 2009
Release Date
Sep 2015
GeForce 200
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1134 MHz
Memory Clock
1350 MHz

Memory

896MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
448bit
Memory Bus
512bit
127.0GB/s
Bandwidth
345.6GB/s

Render Config

-
Compute Units
40
30
SM Count
-
240
Shading Units
2560
80
TMUs
160
28
ROPs
64
-
-
-
-
-
-
-
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
-
-
-
673.9 GFLOPS
FP32 (float)
5.120 TFLOPS
84.24 GFLOPS
FP64 (double)
640.0 GFLOPS

Board Design

219W
TDP
580W
550 W
Suggested PSU
950 W
2x DVI
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
4x 8-pin

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

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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