Home GPU Comparison ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce 6800 GS

ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 256MB VRAM GeForce 6800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages
Released 3 years and 2 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (108.8GB/s vs 32.00GB/s)
800 additional rendering cores

Score

VS

Graphics Card

Jan 2009
Release Date
Nov 2005
Radeon R700
Generation
GeForce 6 PCIe
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
850 MHz
Memory Clock
500 MHz

Memory

512MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
108.8GB/s
Bandwidth
32.00GB/s

Render Config

10
Compute Units
-
-
-
-
800
Shading Units
-
40
TMUs
12
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
3.400 GPixel/s
30.00 GTexel/s
Texture Rate
5.100 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
-
240.0 GFLOPS
FP64 (double)
-

Board Design

150W
TDP
Unknown
450 W
Suggested PSU
200 W
1x DVI 1x mini-DisplayPort 1.0
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

RV770
GPU Name
NV41
RV770 XT Mac (215-0669080)
GPU Variant
-
TeraScale
Architecture
Curie
TSMC
Foundry
TSMC
55 nm
Process Size
130 nm
0.956 billion
Transistors
0.19 billion
256 mm²
Die Size
225 mm²

Graphics Features

10.1 (10_1)
DirectX
9.0c (9_3)
3.3
OpenGL
2.0 (full) 2.1 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
3.0

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