Home GPU Comparison ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTX 770

ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 2GB VRAM GeForce GTX 770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages
Lower TDP (106W vs 230W)
NVIDIA GeForce GTX 770 's Advantages
Boost Clock1085MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 72.06GB/s)
1216 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 3870 AGP
0.497 TFLOPS
GeForce GTX 770 +570%
3.333 TFLOPS
VS

Graphics Card

Unknown
Release Date
May 2013
Radeon R600
Generation
GeForce 700
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1046 MHz
-
Boost Clock
1085 MHz
1126 MHz
Memory Clock
1753 MHz

Memory

512MB
Memory Size
2GB
GDDR4
Memory Type
GDDR5
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
224.4GB/s

Render Config

4
Compute Units
-
-
-
-
320
Shading Units
1536
16
TMUs
128
16
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
34.72 GPixel/s
12.43 GTexel/s
Texture Rate
138.9 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
3.333 TFLOPS
99.46 GFLOPS
FP64 (double)
138.9 GFLOPS

Board Design

106W
TDP
230W
300 W
Suggested PSU
550 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

RV670
GPU Name
GK104
RV670 XT (215-0708005)
GPU Variant
GK104-425-A2
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
3.54 billion
192 mm²
Die Size
294 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1

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