Home GPU Comparison NVIDIA GeForce GT 630 vs ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GT 630 vs ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages
Released 3 years and 4 months late
More VRAM (1024GB vs 512GB)
Lower TDP (65W vs 150W)
ATI Radeon HD 4870 Mac Edition 's Advantages
Larger VRAM bandwidth (108.8GB/s vs 28.80GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 630
0.311 TFLOPS
Radeon HD 4870 Mac Edition +285%
1.2 TFLOPS
VS

Graphics Card

May 2012
Release Date
Jan 2009
GeForce 600
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
850 MHz

Memory

1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
108.8GB/s

Render Config

-
Compute Units
10
2
SM Count
-
96
Shading Units
800
16
TMUs
40
4
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

3.240 GPixel/s
Pixel Rate
12.00 GPixel/s
12.96 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
311.0 GFLOPS
FP32 (float)
1200 GFLOPS
25.92 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

65W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x mini-DisplayPort 1.0
None
Power Connectors
2x 6-pin

Graphics Processor

GF108
GPU Name
RV770
GF108-400-A1
GPU Variant
RV770 XT Mac (215-0669080)
Fermi
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.585 billion
Transistors
0.956 billion
116 mm²
Die Size
256 mm²

Graphics Features

12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1

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