Home GPU Comparison NVIDIA GeForce GTX TITAN vs AMD Radeon 550X 640SP

NVIDIA GeForce GTX TITAN vs AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN 's Advantages
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (288.4GB/s vs 48.00GB/s)
2048 additional rendering cores
AMD Radeon 550X 640SP 's Advantages
Released 5 years and 2 months late
Boost Clock has increased by 22% (1071MHz vs 876MHz)
Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX TITAN +243%
4.709 TFLOPS
Radeon 550X 640SP
1.371 TFLOPS
VS

Graphics Card

Feb 2013
Release Date
Apr 2018
GeForce 700
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

836 MHz
Base Clock
1019 MHz
876 MHz
Boost Clock
1071 MHz
1502 MHz
Memory Clock
1500 MHz

Memory

6GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
64bit
288.4GB/s
Bandwidth
48.00GB/s

Render Config

-
Compute Units
10
-
-
-
2688
Shading Units
640
224
TMUs
40
48
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

49.06 GPixel/s
Pixel Rate
17.14 GPixel/s
196.2 GTexel/s
Texture Rate
42.84 GTexel/s
-
FP16 (half)
1371 GFLOPS
4.709 TFLOPS
FP32 (float)
1371 GFLOPS
1.570 TFLOPS
FP64 (double)
85.68 GFLOPS

Board Design

250W
TDP
50W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

GK110
GPU Name
Lexa
GK110-400-A1
GPU Variant
Lexa PRO (215-0904018)
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
7.08 billion
Transistors
2.2 billion
561 mm²
Die Size
103 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
6.4

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