Home GPU Comparison NVIDIA GeForce GTX 950 vs ATI Radeon HD 3870

NVIDIA GeForce GTX 950 vs ATI Radeon HD 3870

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages
Released 7 years and 9 months late
Boost Clock1188MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (105.8GB/s vs 72.06GB/s)
448 additional rendering cores
Lower TDP (90W vs 106W)

Score

Benchmark

FP32 (float)
GeForce GTX 950 +267%
1.825 TFLOPS
Radeon HD 3870
0.497 TFLOPS
VS

Graphics Card

Aug 2015
Release Date
Nov 2007
GeForce 900
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

1024 MHz
Base Clock
-
1188 MHz
Boost Clock
-
1653 MHz
Memory Clock
1126 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
128bit
Memory Bus
256bit
105.8GB/s
Bandwidth
72.06GB/s

Render Config

-
Compute Units
4
-
-
-
768
Shading Units
320
48
TMUs
16
32
ROPs
16
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
-
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

38.02 GPixel/s
Pixel Rate
12.43 GPixel/s
57.02 GTexel/s
Texture Rate
12.43 GTexel/s
-
-
-
1.825 TFLOPS
FP32 (float)
497.3 GFLOPS
57.02 GFLOPS
FP64 (double)
99.46 GFLOPS

Board Design

90W
TDP
106W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

GM206
GPU Name
RV670
GM206-250-A1
GPU Variant
RV670 XT (215-0708005)
Maxwell 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.94 billion
Transistors
0.666 billion
228 mm²
Die Size
192 mm²

Graphics Features

12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
4.1

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